I evaluated nine large and small packs that let adults and kids go with the flow. (Some even travel seamlessly from trails to town.) By contrast, a hydration backpack is outfitted with a water ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." HYDRATION SHOULD BE easy. After all, you're just giving your body what if often wants most in water.

It’s important to stay hydrated, especially when hiking, running or biking outdoors. This is especially true when it’s hot since intense sweating quickly depletes your body’s fluids. But it’s ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Running hydration backpacks are streamlined packs ...