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

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. In a perfect ...

Camelbak packs are high quality, but I hate their hydration bladder. It collapses flat and is difficult to clean and dry. The Platypus bladders expand like an envelope, and they can be free-standing.