21oz CamelBak Podium Dirt Series Chill Insulated Mountain Bike Water Bottle, White

Keeps your mouth clean and your drink cold twice as long
Double-walled construction: keeps water cold twice as long
Optimized cage fit: engineered to securely fit in a variety of bottle cages
Easy to clean interface: all parts can separate for thorough cleaning
Nozzle cover: keeps dirt out and your mouth clean
Cap Material: The Jet Valve is made from medical grade, self-sealing silicone