Dry Creek Z Backpack – 25L is the largest waterproof backpack from Simms. New improved design and with a bunch of cool technical details. The bag has Tru Zip toothless waterproof zippers. TRU Zip waterproof self-healing zipper for 100% waterproof even when submerged Integrated mesh sleeve on the front with D-ring Double water bottle pockets in stretch fabric Compression molded, hydrophobic back panel and breathable, padded shoulder straps with tool attachment port. Removable waist belt has MOLLE webbing for attaching accessories and small accessory pocket Spacious, waterproof exterior pocket for quick access to key items Capacity: 25L Dimensions: 51 x 32 x 18 cm // (20″H x 12.5″W x 7″D)