Fabric in Polyester mesh, trilaminated with membrane, waterproof, windproof, Teflontreated on the outside. New concept fabric studied to stop penetration of cold wind thusleaving your body warm without the need to wear more. Extremely transpirant, moistureis brought out through the fibers easily eliminating that bad feeling of wet that isnormally created during phisical activity. This garment, light, extremely soft and warm,keeps its characteristics even at low temperatures. Offers warmth without being bulkyas the traditional insulation fabrics. Its characteristics remain unaltered even after manywashes. In the front there is a large pocket with closed Velcro for IPod or smartphone,provided inside with an hole to pass the headset.