The lightweight PocketFlask™ is designed to be tucked away in running belts and packs. Its soft material conforms to most pockets and shrinks as you drink to minimise water movement. The twist lock cap closes tightly to keep your water in your flask while in motion.

VEST PACK FIT Ideal size for hydration vest, belt, or pack pockets.

LOCKING CAP Leakproof 42 mm twist locking cap.

COMPACT Soft material conforms to most pockets for a comfortable carrying experience.

COMPRESSIBLE Shrinks as you drink using a high-flow, self-sealing bite valve, reducing water movement.

ADAPTABLE Compatible with 42mm threaded backcountry water filters including the HydraPak 42mm Filter Cap.

CONSTRUCTION Made of ultra-durable, abrasion-resistant TPU & RF welded seams for superior durability and elasticity. 100% BPA & PVC free, wide working temperature range (can be frozen - max temp 60° C / 140° F)