Keep it simple, and keep your cool in the men's short sleeve Mountain Bike Jersey. From post-work hot laps to full-day trail rides, the lightweight, breathable feel lets you keep your mind on the trail. Four-way stretch material and a trim fit offer an unrestricted range of motion while riding and a comfortable feel off the bike. Product Details Features Cut for a trim fit that's not too loose or too tight, suggested to size up one size for best fit. 4-way stretch Integrated lens cloth Drop tail hem for extra coverage Lightweight, breathable knit mesh body: 88% polyester, 12% elastane Fine Mesh Underarm Inserts: 100% polyester