Built for lightweight performance on the trail, the HydraPak Velocity 2L Water Bladder is an ultralight hydration reservoir designed for hikers, bushwalkers, runners and cyclists who want dependable hydration without unnecessary bulk. Its minimalist construction uses durable TPU material to keep weight low while maintaining strength and flexibility inside packs or hydration vests. The wide Slide-Seal opening allows for quick filling, easy ice loading and secure closure when you're on the move. HydraPak Velocity 2L Water Bladder Key Features Ultralight Design: Lightweight TPU construction keeps pack weight down while maintaining durability. Slide-Seal Wide Opening: Extra-wide top opening makes filling, sealing and adding ice quick and easy. Comet™ Bite Valve: High-flow, self-sealing bite valve delivers smooth water flow and locks with one hand. Plug-N-Play™ Connect System: Leakproof auto-shutoff connector allows the tube to detach quickly for filling and cleaning. Grab Tab: Flexible tab allows quick loading and removal from packs. Universal Hanger: Compatible with clips, hooks and loops in most hydration packs and running vests. Reversible Design: Reservoir can be turned inside out for deep cleaning and complete drying. Filter Compatible: Works with HydraPak 28mm filter kits for backcountry filtration setups. Specifications Capacity: 2L Weight: 121g Dimensions: 343mm x 170mm Filter Compatibility: 28mm Filter Kit Compatible Materials: TPU, ABS, POM, PP, EPDM, Silicone, 304 Stainless Steel, TPU-Coated Nylon Fabric