Big Zip Evo

As the newest evolution in taste-free hydration, the Platypus Big Zip EVO delivers a significant 50% increase in flow rate from its predecessor, so you'll feel satisfied with less slurping. Makes a great option for backpackers, hikers and mountain bikers. The silver ion in the materials keeps the reservoir fresh and bacteria-free.

• Secure zip-seal for easy opening, closing and filling.
• Pincher grip helps with one-handed filling.
• High-mount quick disconnect is easy to reach when the reservoir's in your pack.
• HyFlow bite valve improves flow.
• Shut-off valve is leak-proof and ideal for stowing.
• Easy to clean, thanks to the wide opening and rounded corners.
• Embedded silver-ion protects clean water from mold and bacteria.
• Semi-rigid baffle helps keep reservoir open to help it dry faster and with less fuss.
• All materials are certified food-grade, BPA-, BPS-, phthalate-free and taste-free, guaranteed.