evo.com | Fidlock Hydration Packs > Fidlock took everything that makes their TWIST bottle system great and built a hip pack around it. The Fidlock Hip Belt + Single Bottle Base Hydration Pack comes with a 450ml bottle that snaps in magnetically and stays put until you deliberately twist it free - no fumbling, no dropped bottles mid-stride. The dry bag main compartment seals out water, mud, and dust to keep your phone safe, the Fidlock magnetic buckle allows for one-handed use on the go, and a zippered side pocket handles keys and snacks. Adjustable Hip Straps 100% Waterproof Dry Bag Compartment Magnetic self-sealing HERMETIC Dry Bag keeps your phone and other valuables 100% protected from water, dirt, dust, and sand. Compatible with all TWIST Bottles Includes TWIST 450 Bottle and TWIST Base Hip Circumference 70 - 150 cm | Fidlock Hip Belt + Single Bottle Base Hydration Pack 2026 in Black