UltrAspire UltraFlask 550 Hybrid Bottle Women's Shorts and a capacity for a

and a capacity for a 2 liter reservoir means you have ample hydration storage that carries comfortably and intuitively

Best for: 2-3 runs per week

computer-optimized outsole and updated tread pattern

Elastic 4 needle flat seams

UltrAspire UltraFlask 550 Hybrid Bottle Women's Shorts and a capacity for aUltrAspire introduces yet another milestone in hydration history! All the benefits of the sport bottle without the downsides and all the benefits of a soft flask without the usual problems such as taste and staining from carbohydrate drinks. The UltraFlask 550 Hybrid Bottle is a cross between a hard bottle and a soft flask. This bottle has a body shape that conforms to the place its kept for the ultimate comfort, access, carriage and squeeze ability.