The camelbak podium chill bottle is lightweight and features the innovative self sealing jet valve to eradicate irritating leakage for a hassle free ride this camelbak bottle also features advanced double construction walls for insulation that keeps water cold twice as long as regular sport bottles for cool and refreshing hydration when you need it most in addition the podium chill also includes a positive lockout system to protect against spillages and leaks even during transportation care a