evo.com | Outdoor Research Activewear Tees > Made for stacking miles and chasing switchbacks, the Outdoor Research Vigor LT Crew brings lightweight warmth to hikes, backpacking trips, and trail runs. The breathable grid fleece lets heat escape when the pace picks up, while the stretchy feel keeps every stride and scramble comfortable. Chafe-Free Design 87% Recycled Polyester / 13% Elastane ActiveFresh(TM) Odor Control Forward Shoulder Seams Movement Mirroring Stretch | Women's Outdoor Research Vigor LT Crew 2027 - X-Large White | Elastane/Polyester