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._• Grid-textured knit fabric with engineered mesh ventilation, mapped to the places you need it most_• Nearly sew-free design to eliminate chafing_• 4-way stretch material moves better in every direction_• Material wicks sweat & dries really fast