Endurance Fuel - Caffinated Drink Mix (50 Serving Bag) smartwool 4 mm steel coils and

4 mm steel coils and heavy-duty natural rubber

Straighter egde with Scandinavian grind

EPA drinking water standards* and NSF protocol P231 testing standard for removal of bacteria and protozoa

moisture absorption and enhanced comfort

choose what you love

Endurance Fuel - Caffinated Drink Mix (50 Serving Bag) smartwool 4 mm steel coils andEndurance 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! Complete calories, electrolytes, and hydration: Ditch the gels, chews, and salt pills and go all day with just Tailwind! No gut bombs: Stomach problems? Youll love Tailwinds Endurance Fuel! Tailwind contains glucose and sucrose the same