ski helmet: 1)Cool design, exquisite finishing 2)The sport helmet are in-molded with PVC and EPS 3)Weight,170G SKI HELMET:1).Size and fit effective technology at it s best2).Ventilate system: 15 air vents cooling system3).Black EPS impact absorption liner, Durable, high gloss PC shell. 4).Cobweb internal padding concept suspends the helmet on your head, giving better air flow through the helmet. ...