"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether you’re running, walking or hiking, it’s important to bring plenty of water when you exercise to ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When it comes to staying hydrated during outdoor activities ...

Which hydration vest is best? Water is essential. When you are engaged in an activity such as running or hiking, where space is at a premium and there is no available source of fresh water to hydrate ...