Tailwind Endurance Fuel - 50 Serving Flavor:Naked Unflavored Can be worn comfortably in

Can be worn comfortably in most athletic shoes

while a unique cushioning system provides comfort in specific pressure areas

helping to prevent sudden stretch or strain to tendon

keep the same calories per hour

Tailwind Endurance Fuel - 50 Serving Flavor:Naked Unflavored Can be worn comfortably inTailwind Endurance Fuel: Tailwind 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 in a bottle or hydration pack, shake, and GO! Tailwind Caffeinated Endurance Fuel: Caffeinated Tailwind meets all your calorie, hydration, and electrolyte needs just like you'd expect, plus it adds 35mg of caffeine per 100 calories. Caffeine is proven to