evo.com | Roark Fleece > Built for chilly runs, the Roark Grid Lock Fleece keeps you warm without boxing you in. A recycled polyester-spandex knit, underarm gussets and a half-zip mock neck let you dump heat on the climbs, and reflective accents keep you visible when the light fades. Droptail Hem Double Zip Half Mock Neck Active Fit Machine Wash Cold with Like Colors Recycled Polyester Grid Fleece | Roark Grid Lock Fleece Men's 2026 - Medium Black | Spandex/Polyester