Big Zip EVO - 2L gtx Leak-Proof Shut-off Valve: Instantly stops

Leak-Proof Shut-off Valve: Instantly stops flow for leak-free stowing

and phthalate-free materials for pure drinking water

The reservoir features a Secure SlideLock™ that allows for easy filling and secure closure

Quick Setup: Packs small and sets up in no time

comfort and all‑weather protection

Big Zip EVO - 2L gtx Leak-Proof Shut-off Valve: Instantly stopsThe Platypus Big Zip EVO 2 Liter is a premium hydration reservoir offering 50% faster flow than previous models, making it ideal for hikers, backpackers, and cyclists. Its taste free materials ensure clean hydration, while the Secure SlideLock makes filling and sealing the reservoir a breeze. With a handy Pincher Grip for one handed filling and a high mount quick disconnect system for easy access, its designed for convenience. The HyFLO self sealing