UltrAspire 800 mL Softflask w/ Locking Cap

This collapsible SoftFlask carries 800mL of fluid. The unique shape allows this SoftFlask to slide easily in and out of a hydration pocket. Comes with a larger diameter top to fit ice cubes and keep fluids cool. Features a silicone Sheath Bite Valve on a Locking 42mm cap.

Flask size- 12″x4 1/2″