CamelBak: With double-walled construction to keep water cold twice as long as other bottles, the insulated CamelBak Podium Chill is the best-of-the-best for delivering cold, consistent cycling hydration. Features like optimized cage fit and improved cleanability continue to make this bottle a favorite among professionals and recreational users alike. It is and always has been 100% free of BPA, BPS and BPF. FEATURESDouble-Walled Construction: Keeps water cold twice as long Optimized Cage Fit: Engineered to securely fit in a variety of bottle cages Easy Squeeze: Get more fluid with less effort  High Flow, Self-Sealing Cap: Maximizes flow rate while eliminating splatters and spills 100% free of BPA, BPS and BPF: Ride clean, drink clean Easy-to-Clean Interface: All parts can separate for thorough cleaning Positive Lock out: For leak-proof transport TrutasteTM Polypropylene: Taste your water and nothing else, time after time