Thermolite Fitness

Our eight favorite running sports bras from Oiselle, Brooks, rabbit, Panache Sport and others combine comfort and support for medium- to high-impact days.

Here are our favorite reusable water bottles for hiking, running, cycling, everyday use and more. Find the best water bottle at REI from YETI, Nalgene, Bivo, Klean Kanteen, Ocean Bottle and more.

Can you hike in yoga pants or leggings? We provide tips on how to find the right pair for all your adventures, whether a day hike or multiday trip.

Whether they love the trail or just get out in the city for a quick jog, find the perfect gift for the runner in your life.

Learn more about Ragnar Trail relays and how to prepare and train ahead of time for the event in your area.

How much do runners, cyclists and other endurance athletes really have to gain from training based on their VO2 Max?