UltrAspire Soft Flask 800ml - Lock Cap Adidas delivering a sock-like fit that

delivering a sock-like fit that adapts to your foot for superior comfort and breathability

strategically placed to provide optimal traction across all conditions

The IPX4 stormproof rating ensures reliable performance in rain

Equipped with removable spikes

Hexagonal Plate for Enhanced Energy Transfer and Propulsion

UltrAspire Soft Flask 800ml - Lock Cap Adidas delivering a sock-like fit thatThe UltrAspire 800 collapsible SoftFlask + Lock Top carries 800mL of fluid. The unique wedge shape allows this SoftFlask to slide easily in and out of hydration pockets. Comes with a larger diameter 42mm top to fit ice cubes or nutrition options. The ideal large volume hydration solution for running or hiking Features a new lockable cap for using horizontally in waist belts Soft material conforms to the space given to provide a comfortable carrying