The fabric is ultra-wicking moving sweat away from your skin keeping you feeling fresh, whilst also having great next to skin comfort. With mapped mesh around the tee, you get ventilation where you need it, plus the comfort of fewer seams.FeaturesTraining topSoft knit fabric with engineered mesh ventilation, mapped to the places you need it mostNearly seamless construction will eliminate chafing4-way stretch construction moves better in every directionMaterial wicks sweat & dries really fast½ zip front for fast ventilation Fabric: 51% Polyester/49% NylonFitted - Next-to-skin without the squeeze