●Refresh your workout with the proven performance of our Chill line and a new fitness-focused design ●Double-walled construction: keeps water cold twice as long ●Easy to clean interface: all parts can separate for thorough cleaning ●Optional carrier sleeve: tuck a credit card, ID, keys or most smartphones into a secure wrap-around holder for integrated essentials storage ●High flow, self-sealing cap: maximizes flow rate while eliminating splatters and spills