Ultraspire UltraFlask 550 Hybrid Bottle Organic 2 quick-access gel slots for

2 quick-access gel slots for easy access to nutrition on-the-go

Consistent use of foam roller reduces muscle fatigue and tightness

unrestricted

100% cotton twill front panels

Glucosamine sulfate plays a major role in the synthesis of collagen

Ultraspire UltraFlask 550 Hybrid Bottle Organic 2 quick-access gel slots forUltrAspire introduces yet another milestone in hydration history: This great feeling, easy stowing 550 mL bottle is a hybrid between a hard bottle and a soft flask! The lightweight super squeezable UltraFlask stands up on its own, is fillable and easy to clean, and has high flow and fast recharge. It is soft, flat and stable against the body and is easily accessed and returned to a vest pocket or a waistpack even when it's empty. The UltraFlask 550