Mavic womens cosmic pro sleeveless topthis sleeveless jersey is constructed with 3 different fabrics placed where you need them the ride wick st on the front provides excellent moisture management stretch wick on the side panels offers a great elasticity breathability and softness and air mesh insert on the back increases air cooling features material back 95 polyester 5 elastan front 100 polyester lower body 74 polyamid 26 elastan side 95 polyester 5 elastan ergonomic se