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How to Choose a Hydration System

Water. It's the outdoor athlete's most precious commodity—and it's easier to carry than ever before, thanks to the miracle of modern materials and some clever engineering. Here's what you need to know about choosing a hydration system.

 

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As a Proud Sponsor of the Danskin Women’s Triathlon Series, REI will be offering free training seminars with renowned triathlete Sally Edwards. See details and schedule

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Capilene polyester base layers made of 50% recycled material are highly odor resistant and offer four levels of breathable warmth.