For hot days on the trail, the Podium Dirt Series Chill keeps your drink cold twice as long thanks to the insulated double-wall construction. The Podium Dirt Series is the premium bike bottle for mountain bikers who prioritize performance and functionality above all else. The Mud Cap keeps dirt and dust out of your bottle while the secure cage fit means you'll be able to swig and stow your bottle with confidence. Like all CamelBak Podium bottles, it features our high flow, self-sealing cap, easy-to-clean interface and easy-to-squeeze design. And, of course, it's 100% free of BPA, BPS and BPF. - Easy-to-Clean Interface: All parts can separate for thorough cleaning - Optimized Cage Fit: Engineered to securely fit in a variety of bottle cages - Easy Squeeze: Get more fluid with less effort - Mud Cap: Drink water. Don't eat dirt. - High Flow, Self-Sealing Cap: Maximizes flow rate while eliminating splatters and spills - 100% free of BPA, BPS and BPF: Ride clean, drink clean - Positive Lock out: For leak-proof transport - Trutaste Polypropylene with Hydroguard: Taste your water and nothing else, time after time.