* Crafted from 600D TPU offers exceptional waterproofing and durability *   Simply load your gear into the waterproof backpack, tightly roll down the top woven tape 3-4 times, and secure it with the buckle for a perfect seal every time. * The ergonomic air flow back panel and shockproof shoulder straps and heavy duty waist belt provide ultimate comfort by taking weight off your back and relieve added pressure to help support your load.