FishPond Wind River Roll-Top Backpack The Wind River roll-top backpack has ample volume to transport gear through the airports and into the wild with comfort. This year's product features improved thermoformed back panel and adjustable hipbelt so this can be used for the long-haul. Now made with 900d TPU NewStream Fabric * 3.6 lbs * 24" (when rolled 3 times) x 12" x 8" * Height measures 31" when unrolled * 38L max volume (2318 cu.in.)