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Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
Made with high-quality material
lanolin or mineral oils
Made with 20% post-industrial recycled EVA
XL = Men's 11–12
Ultraspire UltraFlask 550 Hybrid Bottle Color:Clear Blue Made with high-quality materialUltrAspire 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
