Tailwind Endurance Fuel 50 Serving Bags - Tropical Caffeinated Gloves/Mittens Refined the heel geometry for

Refined the heel geometry for enhanced stability

Engineered with Balega's Drynamix™ moisture management fiber

added asymmetrical lacing for a more secure fit

The use of waterproof Gore-Tex will keep your feet nice and dry

With an updated take on the Vuori women's classic full-zip

Tailwind Endurance Fuel 50 Serving Bags - Tropical Caffeinated Gloves/Mittens Refined the heel geometry forCaffeinated 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 significantly enhance high intensity and endurance performance.* Caffeine boost when you need that extra kick Complete calories, electrolytes, and hydration. No gut bombs: Stomach problems? Youll love Tailwind. Tasty all day: Clean, light flavors taste better the longer you go.