YETI Panga Backpack 28YETI Panga Backpack 28, The Panga Backpack is an airtight citadel merging the durability of the Panga Duffel with a tried and true backpack design. Its ergonomic DryHaul Shoulder Straps offer extra carrying comfort, while the removable chest straps and waist belt provide added stability and security while you trek. And no need to carry it over your head while you wade or blink an eye if left out in the rain, because it's a 100% waterproof gear