Mavic39s cosmic pro wind jacket combines 3 different technical fabrics to deliver a lightweight but highly protective wind jacket made up of warm shell wind a 3 layer membrane that offers high wind protection and excellent breathability making the jacket 8 times more wind resistance than if made from a traditional membrane without sacrificing on breathability ergonomic seams are mapped to the contours of the body to reduce irritation and enhance motion comfort and stretch inserts on the s