RMU Outdoors

Mountain Briefcase 35-50L




Simplicity on the road is every traveller's joy. As passionate travellers ourselves, we designed the briefcase to be the ideal partner for journeys to mountains, beaches and beyond.

The Adventure Travel solution, designed for functionality and built for everlasting adventures. Available in two constructions both in 630D Nylon face fabrics; Black and Brushed Brown Canvas.

  • Airline Carry-On 35L. Expansion to 50L
  • Spacious Compartments for Ski Boots and Large Items
  • Security-conscious Locking Zippers And False Floor.
  • Removable Compression Strap
  • RMU Utility Belt Compatible
  • Premium weatherproofing material and aluminium hardware
  • Padded laptop sleeve, helmet sling, and separate storage for laundry ensure that you are ready for the adventure no matter where you go


  • 3 Way Carry System - Briefcase, Shoulder Bag or Backpack
  • Attachable Compression Strap
  • Expansion From 35-50L
  • Weather Resistant
  • Padded Laptop Sleeve
  • Interior False Floor
  • Helmet Sling


The materials are built for the journey with weatherproof fabric, aluminum buckles, and reflective trim.

  • 630D Nylon face fabric w/carbonate PU coating
  • 150D Polyester liner
  • EVA Foam Padding
  • Ultra Durable Aluminium buckles
  • Heavy Duty Nylon Seatbelt Webbing


  • Carry-On Compatible
  • Wall pockets
  • Locking zippers
  • Reflective Screen Prints
  • RMU Strap w/Bottle Opener
  • Storage For Clean + Dirty Clothes
  • Instructions To Fold Shirts


Compatible With RMU Utility Belt.
Removable Hipbelt For Weight Distribution, Mountain Biking And Day Adventures.

WarningWARNING: Some products can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

Shipping Information: offers free ground shipping anywhere in the continental US for any order of $69 or more. orders under $69 ship anywhere within the continental US for a flat rate of $9.95. Excludes oversized items - Oversized shipping rates apply automatically at checkout.

​Shipment tracking typically takes 2 - 7 business days to update. We will notify you as soon as your tracking number becomes available. Please be sure to check your promotions, spam or junk mail folders for these updates. Once your order hits the road, standard shipping takes approximately 3 - 7 business days for delivery. During the Holidays the estimated shipping window is extended to approximately 5 - 10 business days. orders can be shipped from multiple warehouses across the United States and can be shipped using FedEx, UPS, USPS, etc. Some brands have shipping restrictions and cannot ship to USPS PO BOX or Freight Forwarding addresses and will be noted on the product page description. 


International and Expedited Shipping:


​Unfortunately we're unable to promise or guarantee delivery by a specific date and don't offer overnight or express shipping at this time. We also do not currently ship to Alaska, Hawaii, APO/FPO addresses, US territories, or international addresses. Please feel free to reach out to with any questions!

*For Freight-Forwarding Orders please reach out to BEFORE placing your order. Restrictions apply.


We want you to know that the family is working hard to provide you with exceptional customer service and awesome gear. We are doing our best to process and deliver your order as soon as possible while keeping employees safe. Please keep an eye on your email for all order and tracking updates. We'll email you once your order ships. We appreciate your patience and understanding during these unique times. As always, if you have any questions, please reach out to and we'll do our best to assist you!

Need to make a return? Grab your order number and visit our Returns Portal here.

We understand that not every purchase works out. New, unused gear in original packaging and hangtags can be returned within 30 days of purchase for a refund to your original method of payment or for an exchange. We reserve the right to deny/refuse any return requests. Your return items are subject for a quality review, which may delay refunds.

See also, damaged/defective products and warranty claims

Our returns process may take longer than usual. We’ll email you once we’ve issued a store credit or a refund – typically within 10-15 business days after we receive your package. After issues a refund, it may take up to 3 additional weeks for your bank to refund your payment. Thank you for your patience as we process returns as quickly as possible. Please contact for all return questions.

How to return by mail

Follow these three steps to submit your return:

  1. Visit our Returns Portal -
    To make shipping a return even easier, our returns portal allows you to submit a return request. After we review your request and have authorization from the return warehouse, you will receive a prepaid return shipping label via email.
    • Pictures may be required to confirm the condition of your return.
    • Prepaid labels expire 15 days from the date we issue them.
    • Oversized items are subject to an oversized return fee.
    • Pack your return
      Pack your item(s) securely and include the original product packaging and tags. 
    • Prepare & ship your package
      Tape your package securely and affix your return shipping label to the outside. (Hint: If you cover or remove all existing shipping labels, you can usually reuse the bag or box your order came in.) Drop off your package at a carrier location near you.
      • If we have questions about your return, we will contact you by email.
      • Returned merchandise that does not meet the conditions above, we reserve the right to deny/refuse the return.
      • All items marked as "final sale" are not eligible for returns or exchanges.

    Some items cannot be returned via our returns portal, including the following:

    1. Hazardous materials
    2. Food items
    3. Oversize items
    4. Some Corporate & Group Sales items

    Mail-in return exceptions may apply to coolers, tents, kayaks, surfboards, SUP boards, cargo boxes, car racks, indoor cycles, power stations and more.

    Furniture Returns

    • Must be fully disassembled.
    • Must be returned in the original box.
    • We reserve the right to refuse returns that are not fully disassembled and in the original shipping box.

    Store Credit

    Store credit issued for returned products will expire one year from the date of issuance.

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