Tailwind Endurance Fuel, 50 Servings Flavour:Naked (Unflavoured) 67% Nylon / 28% Olefin

67% Nylon / 28% Olefin / 5% Spandex

Stay incredibly dry with a brief liner made from Polartec® Power Dry® with Fresh Face™ technology

Nickel-plated instep-adjustment buckle

There’s an ergonomic lever for manual opening and closing that makes it really easy to use

Upper is craft-stitched onto the midsole to add to the shoe's durability

Tailwind Endurance Fuel, 50 Servings Flavour:Naked (Unflavoured) 67% Nylon / 28% OlefinEndurance Fuel mixes with water to meet all your calorie, hydration, and electrolyte needs, without upsetting your stomach or making your taste buds revolt. Just toss it into a bottle or hydration pack, shake, and GO! Features Complete calories, electrolytes, and hydration: Ditch the gels, chews, and salt pills and go all day with just Tailwind! No gut bombs: Tailwind contains glucose and sucrose the same simple carbohydrates your body uses to fuel