Soft knit fabric with engineered mesh ventilation, mapped to the places you need it most Nearly sew-free construction to eliminate chafing 4-way stretch material moves better in every direction Material wicks sweat & dries really fast Generous ½ zip front makes for easy layering Style #: 1359875 Ventilated 4-Way Stretch Fast-Drying Product Description Using levels of mesh mapped to your body, you get ventilation where you need it, plus the comfort of fewer seams. It's pretty much the most comfortable thing you'll ever train in. DNA Specs Fit & Care Soft knit fabric with engineered mesh ventilation, mapped to the places you need it most Nearly sew-free construction to eliminate chafing 4-way stretch material moves better in every direction Material wicks sweat & dries really fast Generous ½ zip front makes for easy layering Style #: 1359875 51% Polyester/49% Nylon Imported Fitted: Streamlined fit that’s not too tight or too loose.