UltrAspire UltraFlask 550 Hybrid Bottle Men's Trail Shoes water-protective softshell fabric inside palm

water-protective softshell fabric inside palm

PWRRUN foam midsole provides a softer stack of cushioning for your most comfortable run yet

and durability for that boost of confidence you just can’t get in a road shoe on the trail

New knit structure for targeted support

Designed for Road Midsole

UltrAspire UltraFlask 550 Hybrid Bottle Men's Trail Shoes water-protective softshell fabric inside palmUltrAspire 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.