Crazy Horse Leather Briefcase — Style AB
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Pairs well with
Cowhide Briefcase AB, with dividers and a key-ring holder.
A bag to pick up after choosing work papers and small belongings. This briefcase has internal dividers, a laptop pocket and a key-ring holder. Carry it by hand or over your shoulder to suit the day's travel.
[Size and weight]
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Width (length): 43 cm
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Height: 32 cm
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Depth: 10 cm
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Weight: approximately 1.6 kg
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Laptop size guide: around 15 inches, depending on actual device and case dimensions
The body is Crazy Horse leather made from 100% genuine cowhide, with a cotton lining. Tonal variations spread across the plain surface, with a feel you can enjoy in your hands.
For a meeting with documents or a day focused on a single task. For those who want their favourite cowhide beside them at work.
The texture of cowhide alongside your work
Crazy Horse top-layer cowhide has expression in its wrinkles, tonal variations and marks of use.
Touch the handles, open and close it, then lift it again. See the feel, colour and sheen of frequently used areas up close. Changes depend on how it is used.
Work plans may change, but familiar everyday items remain. Care for it and let it become a piece that belongs to your working hours.
Two browns to match your clothes
The exterior is plain. The understated surface reveals the leather's character. Choose it with your jacket and shoes' colours in mind.
Available in brown and dark brown. Enjoy combining it with everyday clothing such as jackets or denim.
A laptop pocket and divided interior
Prepare what work requires according to the day's plans. Consider not just the shape of what you pack, but where to separate it inside.
Alongside the main storage are a laptop pocket, internal zipped pocket, slot pocket, smartphone pocket, key-ring holder and dividers. Check actual device and document dimensions against the compartments.
Product specifications (SPECIFICATIONS)
[Type/style]
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Type: briefcase for hand or shoulder carrying
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Suitable regardless of gender
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Style: casual and business
[Materials]
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Main material: 100% genuine cowhide (Genuine Cow Leather)
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Leather type: top-layer cowhide (Crazy Horse leather)
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Lining: cotton
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Material character: plain cowhide with a cotton lining
[Colours]
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Brown
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Dark brown
[Interior storage]
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Main storage
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Laptop pocket
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Internal zipped pocket
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Slot pocket
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Mobile phone pocket
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Key-ring holder
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Internal compartments with dividers
[Exterior]
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Plain, solid-design bag
Natural leather has individual variations in colour, wrinkles, vein patterns and small marks.
Use the key ring and pockets your way
A holder for attaching keys, slip-in slots and zipped storage. Choose where things go according to the type of small item.
The arrangement you see when opening the bag can be another reason to choose it.
Take favourite leather alongside your papers
[A proposal meeting] A morning choosing documents and thinking about the order of your presentation. Prepare a notebook and pens, then set off. Take tactile cowhide along on a day devoted to what you want to communicate.
[Discussing something to make] Bring drawings and notes together to discuss the intended form. Sketch ideas that words alone cannot convey. Use dividers and small pockets to suit the papers you carry.
[After work] Stop at a shop you have been curious about and spend a little time differently. Enjoy your work bag with denim or a jacket. Familiar leather can accompany a planned stop on the way home.
[A day of learning] Choose course materials and reread previous notes. Whether learning relates to work or a new interest, gather what you need and set off with a familiar piece.
[Discussing a hobby] Bring ideas and research together to show friends. Even with a subject outside work, you can carry papers and small belongings separately.
[A business trip] Check what you will use at your destination and prepare to travel. Choose hand or shoulder carrying as needed. Use your everyday bag when reviewing tomorrow's papers at your accommodation.
[At the weekend] Choose something to read or a notebook and head somewhere different. Find occasions for it beyond work in your own life.
Check the interior before choosing
Use pockets and dividers to suit the small belongings you carry.
Different uses for the storage
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Laptop pocket: compare actual device and case dimensions
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Internal zipped pocket: close small items away
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Slot pocket: separate small items that fit its shape
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Smartphone pocket: use according to device size
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Key-ring holder: attach your keys
Select work essentials: prepare what you need according to the day's papers and devices.
Observe the leather: become familiar with marks, colour and sheen in the areas you use.
Choose how to carry: use hand or shoulder carrying to suit clothing and travel plans.
Leather care
Check its condition after use and care for it appropriately for the material.
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Daily: wipe with a soft, dry cloth to remove dust
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Use a soft brush suitable for leather to remove dust
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Check care products for compatibility and test on an inconspicuous area before use
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If wet: wipe promptly and air-dry in a ventilated, shaded place; avoid direct sunlight and hot air
A piece you touch should feel pleasant the next time, too.
Frequently asked questions (FAQ)
Q: What should I check for a laptop? A: Around 15 inches is a guide. Check actual device and case dimensions against the storage compartment.
Q: Can it suit business and casual clothing? A: The plain design works with a range of outfits, from suits and smart separates to denim.
Q: Can it be carried on the shoulder? A: Yes. Its 2WAY design allows hand or shoulder carrying.
Q: Does the leather vary between pieces? A: Natural leather may show wrinkles, vein patterns, small marks and tonal variations.
Leather you want to touch for tomorrow's work.
For those who want dividers and a key-ring holder, or a choice of two ways to carry.
Use Briefcase AB when taking papers to a meeting or for daily work. Enjoy cowhide's expression and find the way of using it that suits you.
Let use and care make it familiar.
Take a favourite material along to your next appointment, too.
Colour transfer precautions and care
Crazy Horse leather may transfer colour during use or storage. Be especially careful when it touches pale clothing or textiles. Please note the following.
- Check care products for material compatibility: Test leather sprays and similar products on an inconspicuous area before use.
- Regular maintenance: Check leather oils and creams for compatibility and test on an inconspicuous area before use. Care cannot completely prevent colour transfer.
- Storage after use: Store the bag in a well-ventilated place after use. Avoid direct sunlight, high temperatures and humidity.
Product information notes
- Colour differences: Photographs show the actual product, but lighting conditions and monitors may cause colour differences.
- Texture differences: Cowhide texture varies subtly by area. Thickness and texture may differ depending on the part of the hide.
- Natural characteristics: Natural leather may have distinctive texture, marks, creases, spots and vein patterns. These are among the expressions found in natural leather.
- Changes in smell: If the smell after purchase bothers you, air the bag in a ventilated, shaded place. The time it takes to ease varies between items.
Please read before purchasing
For delivery times and packaging details, please see our shopping guide via the link below.
What Is Crazy Horse Leather?
Crazy horse leather is cowhide treated with oils and waxes to create a finish that changes in colour and surface character with use. Despite its name, it is not horse leather.
A finish that develops character
Bending or rubbing the surface can bring out lighter and darker areas. Areas that are handled frequently may develop a sheen, while creases and surface marks contribute to a patina over time. The way the finish changes depends on the item, how it is used and how it is cared for.
Natural leather also varies in grain, texture and colour. Product photographs show examples; lighting, screen settings and the individual piece of leather can affect its appearance.
How it differs from other materials
Check the material on each product page. A canvas bag with crazy horse leather details is not an all-leather bag. PU with a crazy horse-style appearance is synthetic leather, and needs different care from genuine cowhide.
Choosing a bag or wallet
Choose the shape, dimensions, weight and storage for what you plan to carry. Do not rely on a laptop’s screen size alone to judge fit; compare the device’s actual measurements and the thickness of any case. For a smaller accessory, check the length and thickness of the tools or items you want to store.
Moisture and colour transfer
The leather is not fully waterproof. Avoid heavy rain and prolonged wet conditions. Friction, perspiration and moisture can cause colour transfer, particularly onto light-coloured clothing and fabrics. A protective spray or conditioner cannot guarantee that colour transfer will stop.
Everyday care
- Wipe dust gently with a soft, dry cloth.
- If wet, blot away moisture and let the leather dry in the shade with good airflow.
- Avoid direct heat, sunlight and humid storage.
- Use care products suitable for the finish, following their instructions and testing on an inconspicuous area first. They may change the colour or texture.
- If a new item has a noticeable leather smell, let it air in a shaded, ventilated place. The time it takes to settle varies.
When to ask for help
Natural variation does not mean every problem is part of the material’s character. If you are concerned about damage, construction or another issue, contact cowmono with your order number and photographs.
Explore crazy horse leather bags and accessories or read our colour transfer and care guide.
Leather Colour Transfer and Care
Leather dyes and finishes can transfer onto clothing, furniture or other fabrics. Friction, moisture and perspiration can increase the risk. This can happen with new leather and does not always disappear after a fixed period of use.
Why colour transfer happens
Leather is a natural material, and finishes vary. Contact with damp fabric or repeated rubbing can move colour from the leather surface onto another material. Take particular care with light-coloured clothing, bag linings and furniture.
Taking care during use
Before first use, wipe the surface gently with a soft, dry cloth. Avoid prolonged contact with light-coloured fabrics, especially in wet or humid conditions. If the leather gets wet, blot moisture away and let it dry in the shade with airflow, away from heaters and direct sunlight.
Cleaning and storage
Choose care products suitable for the specific leather finish. Follow their instructions and test on an inconspicuous area first, since cleaners, oils, creams and sprays can change the colour or texture. Do not assume a care product will make the leather waterproof or prevent all colour transfer.
Store leather items in a dry, ventilated place away from direct sunlight, heat and humidity. Keep differently coloured leather and light fabrics from rubbing together during storage.
If you are concerned about a particular item, contact cowmono with your order number and photographs.
Shopping guide
Thank you for shopping with cowmono. Please read these notes before placing your order.
1. Shipping and delivery
cowmono simplifies its distribution process and reduces unnecessary distribution costs to offer a balance of materials, quality and price. Read more about cowmono.
After you order, we arrange dispatch from a warehouse overseas.
Your order → cowmono arranges dispatch → overseas warehouse → carrier transport → local delivery → you
Delivery times vary by destination. Check the information during checkout and our shipping policy. Busy periods at the warehouse, carrier arrangements and customs procedures can cause delays.
We email your tracking number after dispatch. Stock can change quickly for popular items; if an item becomes unavailable after your order, we may need to cancel it.
2. Cancelling an order
See our returns and refunds policy for cancellation information.
2-1. Return policy
Change-of-mind return requests within 14 days of delivery · Unused/unworn · Customer-paid return postage
- Before returning an item, email support@cowmono.com and use the return method specified by cowmono.
- Nothing in this policy limits your non-excludable statutory consumer rights, including any applicable cancellation or withdrawal rights and rights relating to faulty, damaged, or incorrect goods. The 14-day request period and unused/unworn condition apply only to our voluntary change-of-mind return policy and do not restrict those statutory rights. If you receive a faulty, damaged, or incorrect item, contact support@cowmono.com for information about the remedy available under applicable law. cowmono covers reasonable return costs where required by law.
- Orders placed before this update remain subject to the return terms in effect when the order was placed. Your statutory consumer rights remain unaffected.
- Estimated refund processing time: credit card or Paidy, about one week; convenience-store payment, bank transfer, QR payment or Pay-easy, up to one month. The store recommends credit card or Paidy for quicker refund processing.
3. Payment methods
The payment methods available for your order appear at checkout. Choose from the options shown there. The information below also explains payment services used in Japan; it does not mean that every service is available for every delivery country.
The store offers credit card payments through Shopify Payments and, where available, Paidy, prepaid payments at Japanese convenience stores, QR payments, Merpay, bank transfer and Pay-easy. If you do not use a credit card, choose an alternative offered at checkout.
Prepaid payments at Japanese convenience stores
The processing fee stated by the store is JPY 220, including Japanese tax. Supported stores are FamilyMart, Lawson, Ministop and Daily Yamazaki.
After completing your order, you are redirected to KOMOJU. Check the amount, enter the payment details and complete the payment steps. Payment is due within three days from the day after your order. We arrange dispatch in the order that payments are confirmed. An unpaid order is automatically cancelled after the deadline.
KOMOJU emails the payment number you need. If you use email filters, allow messages from @komoju.com and no-reply@komoju.com.
Pay-easy
The processing fee stated by the store is JPY 190. This prepaid service accepts payments through compatible bank ATMs or online banking. After ordering, follow KOMOJU's payment instructions and check the deadline shown on the payment screen or in the email. We arrange dispatch once payment is confirmed.
Paidy
Enter your email address and mobile number, then confirm the four-digit code sent by SMS. Purchases are generally combined into one payment in the following month.
The service information also describes a free upgrade to Paidy Plus, with monthly budgeting and three instalments without an instalment fee. Check current eligibility and terms directly with Paidy.
The payment methods and fees stated here are direct debit with no payment fee, convenience-store payment with a JPY 390 fee including Japanese tax, and bank transfer with a fee set by the bank.
QR payments with PayPay or au PAY
Register with PayPay or au PAY before use. These payments cannot be combined with another payment method.
Your order is not complete if more than five minutes pass after opening the payment page, or if cancellation or an error prevents confirmation. This also applies if you do not return correctly to the order completion page after payment. The payment is then cancelled, and any anticipated provider bonuses may be cancelled too. cowmono cannot restore those bonuses.
When scanning a QR code with the app, keep the page on your computer open until payment is complete. Private or incognito browsing is not supported for this payment. Check spending limits with PayPay.
For au PAY, you need to add funds to your au PAY balance. The limits stated here are JPY 300,000 per payment and JPY 500,000 per day.
Bank transfer
- Payment is made in advance. We begin arranging dispatch after confirming receipt.
- The account number differs for each order. Check it again even if you have ordered before.
- You pay any bank transfer fees.
- If payment is not confirmed by the deadline, the order is cancelled. A transfer made after the deadline cannot be accepted for the expired order.
- Transfer the exact amount. The payment rules described here do not provide for refunds of overpayments. Your non-excludable statutory rights remain unaffected.
Merpay
Merpay is a payment service within the Mercari app. Eligible users can pay with their balance, points or Merpay Smart Payments. Register in the Mercari app and set up Merpay before use.
Check details and the limits that apply to your settings with the provider. Contact Merpay about app operation, errors or passwords.
4. If your order confirmation has not arrived
Check the email address entered when ordering and your spam or junk folder.
5. Missed deliveries and incomplete addresses
If you miss a delivery, follow the carrier's notice to arrange redelivery. The carrier may be identified as YDH JAPAN or another delivery company.
An incorrect or incomplete address may lead to the parcel being returned. Parcels may be disposed of after the holding period expires. The rules described here do not provide for redelivery or a refund in that situation; your non-excludable statutory consumer rights remain unaffected.
Check your address, particularly the street number, before ordering and receive your parcel within the stated period. Repeated cancellations caused by prolonged absence or incomplete addresses may lead us to restrict the available payment methods.
6. Contact us
Use our contact form or email support@cowmono.com. We do not offer telephone support.
7. Other notes
- Stock can change quickly. If an item becomes unavailable after ordering or there is a dispatch problem, we will contact you by email.
- Colours may differ from the photographs because of lighting, surroundings and screen settings.
- Measurements are taken by hand; a variation of approximately 1 cm is possible.
- Natural leather can vary in colour and surface appearance and show natural markings. These individual features form part of the material's character.
About cowmono
cowmono is an online shop for bags, wallets and small accessories. Our selection includes crazy horse leather, other genuine leathers, canvas and PU designs, with different shapes and storage layouts for everyday use.
Choose by material and practical details
A bag should work with what you carry. Compare the materials, dimensions, weight and storage on each product page. Genuine leather, canvas and PU have different appearances and care needs; check the specifications for the item you select.
Direct shipping and simple packaging
Orders are dispatched from overseas warehouses in simple protective packaging. Packaging can differ by item and dispatch location. Dispatch and transit times depend on the product, destination and carrier, and customs processing can cause delays.
If you need an item for a particular date, contact us before ordering. Read our shopping guide for ordering and delivery information.
Explore the collection
Shop all products or learn more about crazy horse leather.
Shop with confidence
Our store does not retain full card numbers or security codes. Payment details are handled through Shopify and the relevant payment providers.
Connections are encrypted, and we review Shopify’s fraud analysis. We may request verification or cancel an order when necessary; this does not guarantee that all fraud can be prevented.
We manage and use personal information as needed to process orders and arrange delivery, and may share it with delivery and payment service providers for these purposes.
Payment options include cards, PayPal, Apple Pay and Google Pay, subject to availability at checkout.
Choose options