evo.com | Outdoor Research Activewear Tees > From long climbs to fast trail miles, the Outdoor Research Vigor LT Crew keeps things light, breathable, and ready to move. Its grid fleece construction helps regulate heat on the go, making it an easy favorite for hiking, backpacking, and trail running when a little extra warmth is welcome. Chafe-Free Design 87% Recycled Polyester / 13% Elastane Center Back Length 28.2 cm / 11.1 in ActiveFresh(TM) Odor Control Movement Mirroring Stretch | Outdoor Research Vigor LT Crew Men's 2027 - 2X-Large Black | Elastane/Polyester