Big Zip™ EVO - 3L Category_Shop/Equipment/Tents/Backpacking while 70D nylon on the

while 70D nylon on the bottom ensures the XTherm NXT holds up to extended expedition use

it features a new HyFLO™ self-sealing bite valve

while ensuring a leak-proof seal

the QuickDraw filter cartridge securely adapts to smartwater® bottles

Like the QuickDraw System but without the reservoir

Big Zip™ EVO - 3L Category_Shop/Equipment/Tents/Backpacking while 70D nylon on theThe Platypus Big Zip EVO 3 Liter is a premium hydration reservoir that offers a 50% faster flow rate than previous models, making it ideal for hikers, backpackers, and mountain bikers. The reservoir features a Secure SlideLock that allows for easy filling and secure closure, while the quick disconnect system offers fast access to the drinking tube. The semi rigid center baffle provides low profile support and ensures easy cleaning. Embedded silver ion