Description The HydraPak PocketFlask is the perfect hydration solution for minimalist adventurers, endurance athletes, or anyone needing quick access to fluids on the go. Ultralight and ultra-compact, it fits comfortably in running vests, waist belts, or even your pocket—making it ideal for trail runs, fast hikes, or backcountry missions where every gram counts. With a soft, collapsible design and a wide opening for easy refills, the PocketFlask packs down flat when empty, saving space in your kit. The twist-lock cap ensures leakproof performance while controlling the flow of water, and the TPU construction is both taste-free and durable for long-term reliability. Whether you’re chasing distance on the trail or packing smart for remote adventures, the HydraPak Pocket Flask will rise to the challenge. HydraPak PocketFlask Features Ultralight and compact design fits in running vests, belts, or pockets Soft construction shrinks as you drink Twist-lock cap provides a high-flow opening for easy hydration on the move RF-welded seams and TPU material protects against leaks BPA and PVC-free construction; 100% food-safe and taste-free Wide opening for fast filling and cleaning Specifications Capacity: 500ml Weight: 32g Material: TPU, Polypropylene, Silicone Dimensions: 28x8cm Opening Diameter: 28mm Operating Temperature: Max 60°C / Min -20°C