"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Enter: The Stanley Quencher H2.0 FlowState™ Tumbler (40 oz) and the Hydro Flask 40 oz Travel Tumbler.

Joe Jackson, Outside online's Gear Guy, never thought that the ten years he spent as a raft guide, outdoor retail employee, and vagabond would turn into a career. It’s no secret that I love Hydro ...

Graham Averill is Outside magazine’s national parks columnist, but some of his favorite adventures have happened inside state parks. I still remember when I bought my first hydration pack. It was ...

Marquee image: The tried and true test of the Hydroflask coffee thermos, water bottle, and pint glass used on the regular, every day. PHOTO: David Reddick The first time I discovered the magic of the ...