Full support is definitely needed when you’re on an intense adventure and that comes from the Essent bra from Arc’teryx. Designed to reduce chafing for all day comfort, the bra is soft and smooth, made from a durable nylon knit. Whether you run, climb or hike, this bra offers exceptional stretch and recovery while on the move. 71% Nylon, 29% Elastane, Racer Back Design, DAO Finish (Durable Anti Odour), Printed Branding.