Stratum Jacket is designed for competitive cross-country skiers who perform at the highest level of the sport. The ones who seek the latest innovations and superior function. This technically advanced elite jacket comes with an elastic and laminated fabric at the front that protects against cold wind and a super-elastic Thermolight fabric at the back for superior thermoregulation and fitting. Protects against cold wind and a super-elastic Thermolight fabric for superior thermoregulation. Wing Technology ensures total freedom of movement. Laser-cut openings offer enhanced breathability. Quick-snap-button that provides extra ventilation opportunities Curved collar for enhanced range of motion Fabric 1 Face 100% Polyester Mid 100% PU Back 100% Polyester. Fabric 2 83% Polyester 17% Elastane