Giant Loop Tillamook Dry Bag 2026SpringTent 509's most versatile jacket ever

509's most versatile jacket ever features the waterproof

high-density foam and held on by a Cordura pad with velcro fasteners with low-profile

initial activation

Stretch fabric for mobility

Giant Loop Tillamook Dry Bag 2026SpringTent 509's most versatile jacket everThe Tillamook Dry Bag is an expedition sized, roll top dry bag with an integrated anchor strap system ideal for an array of vehicle based adventures. It features 48 liters of waterproof storage and seamlessly pairs with Giant Loop's Coyote and Great Basin Saddlebags, as well as our full line of panniers. Openings on both ends mean quick and easy access without having to unstrap from saddlebags, panniers, or remove from a rack. A handy air purge valve