windtex jacket with teflon treatment, blocks 98% of the wind to prevent wind chill, highly breathable allows enough air to circulate to keep you from overheating. water repellent surface sheds rain and snow. provides warmth without the weight and bulk of traditional insulating fabrics, non restrictive fit allows full range of motion. underarm zips. two pockets and a further skipass and i-pod pocket. kevlar reinforcements.