the OTSO Soft Flask is foldable and has a capacity of up to 250 ml

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Made up of a large elastic compartment composed of the perfect proportion of Polyamide and Elastane

thus preventing muscle and tendon injuries

tu Soft Flask

Calcetines Sublimados - S.W.Smiley Smiling (Outlet) calcetines-bajo the OTSO Soft Flask isLighter and faster. With less than 20g, OTSO's Funny socks are super light and offer the best comfort sensation. The perfect fit. Ergonomic and seamless design that naturally and comfortably hugs the foot. With a support band on the arch that allows a perfect fit, preventing any type of friction, chafing, or blisters. Defy the heat. Breathable fabric resistant to high temperatures and humidity. Prevents overheating and provides air renewal so you