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  • Compatible with the Day, Tour, Tour FX, Ether 20 and Travel Trunk
  • Detachable, adjustable shoulder strap system helps keep heavier loads in your lumbar pack secure against your back for comfortable, ergonomic carrying
  • Adds extra support for carrying 5 - 15 lbs. more weight in the Day, Tour and Tour FX lumbar packs, and up to 65 lbs. more weight in the Travel Trunk
  • Stainless steel ring for lower attachment; side release buckle for upper attachment
  • The Mountainsmith Strapettes measure 17.25 x 2.25 x 0.5 in.; they are padded for comfort with 0.25 in. EVA foam and extend to a maximum length of 44 in.

Made in USA.

View all Mountainsmith Backpack Shoulder Straps

REI membership


Best Use Backpacking
Material(s) EVA foam
Weight 6 ounces

The REI Difference

100% satisfaction guaranteed

We stand behind everything we sell. If you are not satisfied with your REI purchase, you can return it for a replacement or refund within one year of purchase.

REI's guarantee doesn't cover ordinary wear and tear or damage caused by improper use or accidents.

If your item has a manufacturing defect in its materials or workmanship, you can return it at any time. See our limited warranty.

Gear & advice you can trust

At REI, we live and breathe the outdoors, and we're passionate about sharing our expertise with people of all skill levels. Whether you're new to the outdoors or a seasoned explorer, we'll take the time to understand your needs and help you find the right gear for you.

10% annual member refund

Anyone can shop at REI, but for a one-time $20 fee you can become an REI member and enjoy a lifetime of benefits. These include an annual member refund, typically 10% back on eligible purchases.*



*10% is typical but not guaranteed. Your refund is based on eligible purchases, which exclude REI gift cards, services, fees, REI Adventures trips, REI Garage, and discounted items. Learn more