UltrAspire UltraFlask 550 Hybrid Bottle Women's Shorts Lightweight and simple for daily

Lightweight and simple for daily training

computer-optimized outsole and updated tread pattern

Best for: 2-3 runs per week

Improved wicking and breathability with odor control keeps feet fresh mile-after-mile

Elastic 4 needle flat seams

UltrAspire UltraFlask 550 Hybrid Bottle Women's Shorts Lightweight and simple for dailyUltrAspire 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.