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 our high flow, self-sealing Jet Valve™, easy-to-clean interface and easy-to-squeeze design, 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.