Big Zip Evo Reservoir 2.0L Color:Blue Heat transfer logo on left

Heat transfer logo on left chest and back-right shoulder of outer

It’s the iconic clog that started a comfort revolution around the world

crafted of a cotton blend and 4-way comfort stretch

Flatlock Seams

Big Zip Evo Reservoir 2.0L Color:Blue Heat transfer logo on leftSecure SlideLock: Slides both directions to easily open, securely close and fill reservoir. Handy Pincher Grip: Allows for easy one handed filling. High Mount Quick disconnect: Offers fast, easy accessno more digging down in your pack. Leak proof Shut off Valve: Instantly stops flow and offers reliable stowing. Semi rigid Center Baffle: Offers low profile support and makes for easy cleaning and drying. HyFLO Self sealing Bite Valve: Improves flow