Big Zip EVO

The SlideLock actually stays shut even when I accidentally toss it loose into my pack, which is more than I can say for a few others I've had. Plus, there's zero of that plastic taste, even on day two in the sun.

Took this on a three-day trip and it held up perfectly—the SlideLock™ made refilling from a stream feel effortless, and honestly, there's zero plastic taste even on a hot day. Silver-ion lining kept things fresh without any scrubbing, which is more than I can say for my old bladder.

The SlideLock closure is a game-changer—so much easier to open and clean than my old bladder. No weird plastic taste whatsoever, which was my biggest worry with a new hydration system. It's lightweight enough that I forget it's in my pack.