evo.com | Outdoor Research Activewear Tees > Bluesign approved fabric, UPF 50+, and ActiveFresh odor control combine to make the Outdoor Research Eclipse Sun T-Shirt a lightweight, quick-drying staple for anything sun-soaked. It layers clean under a pack, dries fast after a swim break, and doesn't need a wash after every trail run. bluesign(R) approved 95% Polyester 5% Spandex ActiveFresh(TM) Odor Control Straight Hem Bonded Self Fabric at Interior Neckline Chafe-Free Design with Dynamic Reach | Outdoor Research Eclipse Sun T-Shirt Men's 2027 - Small Black | Spandex/Polyester