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, high flow self-sealing caps and improved clean-ability 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. Like to get amongst it on the trail? Try out the Podium Dirt Chill model, with Mountain Biker specific features like the patented MudCap, to keep dirt out and water flowing!