UYN CROSSOVER WINTER shirt is designed to adapt to the sudden changes in weather conditions that can occur during your mountain activities.This shirt features COOLVENT technology in the chest and back area to deliver greater breathability and perfect moisture management.In the front of the sleeves and in the lower part of the chest and back the brushed fabric helps to keep the body warm even when temperatures drop.The HYPERMOTION shoulder construction ensures extreme freedom of movement and support, allowing you to fully enjoy every moment of your adventures.FEATURES:- 3D knitted fabric with reduced number of seams provides the ideal fit for outdoor activities and ensures great breathability.- In the chest and back area COOLVENT technology provides active ventilation that absorbs sweat quickly and effectively and leaves the skin cool and dry.- The sleeves and shoulders are designed with HYPERMOTION technology, in a single piece of fabric without seam.This innovative construction supports the muscles and body posture and offers maximum freedom of movement.Composition:Main fabric 1:polyester 89% elastane 11% insert:polyamide 71% polyester 22% elastane 5% polypropylene 2% sleeve:polyamide 73% polyester 23% elastane 4% .Washing Instruction:-Mild process 30°.- Do not bleach.- Do not tumble dry.- Do not iron.- Do not dry clean.