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This product is no longer available, but don't go just yet.


  • Breathable hipbelt and and ergonomic fit enhance comfort for long hours of wear
  • Main compartment features a key clip; bright yellow lining increases internal visibility
  • Fleece-lined front pocket fits a smart phone or MP3 player and features a headphone cord port
  • 2 side mesh bottle pockets fit water bottles up to 22 fl. oz.
  • Elastic bungee attachment secures gloves or a hat; reflective highlights on the bungee and cord loops enhance visibility in low light
  • The Mountainsmith Kinetic TLS waistpack is made with 100% recycled PET body fabric and high-tenacity nylon in key wear areas


View all Mountainsmith Waistpacks

REI membership


Best Use Hiking
Frame Type Frameless
Gear Capacity (L) 3.7 liter
Gear Capacity (cu. in.) 230 cubic inches
Weight 10.8 ounces
Weight - Metric 0.3 kilograms
Material(s) Recycled PET/high tenacity nylon
Number of Exterior Pockets 3 + main compartment
Dimensions 8.75 x 7.75 x 4.5 inches
Pack Access Top
Gender Unisex

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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.

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*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