Water Flow Hydration bladders feature a hose attached near the bottom of the reservoir, which runs up to a mouthpiece with a “bite valve” that pulls water through the hose whenever you bite down.

Get the best hydration pack to add to your hiking and outdoor gear. Here's all you need to know about water bladders (or water backpacks)!

The 2L HydraPak bladder and 6-liter total capacity mean you can carry enough water and trail snacks for hours, and intuitive, easy-access pockets keep gear management simple on the move.

A few months ago, as I was prepping for a through-ride on the Arizona Trail, I became obsessed with hydration bladders. No, the little plastic bags that hold your performance drink aren’t ...

Hydration packs make it easy to load up on water (and carry essentials) during long walks, runs, and hikes. Here are the best ones for your outdoor adventure.

A 2-liter bladder. Even if you’re doing an all-day hike, that’s a reasonable amount to carry between planned water stops in most situations.

The best hydration packs keep your water close at hand—without the bounce. Here our our tried-and-tested top picks.