UltraSpire Soft Flask 500ml Sfida Staying hydrated is critical on

Staying hydrated is critical on the trail

this daily trainer is designed to provide a smooth and floating sensation underfoot

and trail workouts

Arch Type: Suitable for all arch types

UltraSpire Soft Flask 500ml Sfida Staying hydrated is critical onUltraspire Soft Flask 500ml The ideal hand held solution for running or hiking Oval welded base for easy pocket placement while on the move Soft material conforms to your hand to provide a comfortable carrying experience Flexible design shrinks as you drink, reducing water movement on the run High flow bite valve auto seals after each sip and includes a twist locking cap for added security Large 42mm opening makes it easy to fill with ice or nutrition