- Thin, lightweight and elastic fabric that is channel-knitted to trap air and provide warmth - Coolmax-Air fiber against the skin enhances cooling and moisture transport - Body mapped mesh for optimal temperature regulation - Flatlock seams that follow body movements. - Fabric 1: 100% Polyester - Fabric 2: 96%, 4% Elastane

Designed to perform during intense activities in mild to cold conditions. This crew neck base layer is constructed of bodymapped elastic fabric for ideal body temperature management. - Tight-fitting - Flatlock seams - Quick-drying

When it's a good thing to have thin skin. If you decide to tackle a ride, run, race or high-intensity workout in seriously ferocious weather, it is just not a problem in our Active Extreme X Wind SS. Even the toughest of elements are under control with our baselayer tee. Made of ultra thin, lightweight elastic fabric that is channel knitted to trap air and provide warmth, this deceptively simple looking piece is in fact toughest most sophisticated layer you could ask for. - Supertight fit - Thin, lightweight and elastic fabric that is channel-knitted to trap air and provide warmth - Coolmax-Air fiber against the skin enhances cooling and moisture transport - Flatlock seams that follow body movements - Elastic wind-protection panels at front body, shoulders and sleeves - This product is made with SeaQual polyester that is produced from recycled plastic from the ocean