UA Storm technology repels water without sacrificing breathability.Durable fabric on the front of the body, combined with side and armpit panels made of elastic fabric, ensure mobility and comfort.Strategic synthetic insulation (80 g on the body/60 g in the sleeves) for medium warmth without excess bulk.The construction on the back and the flexible mesh lining ensure optimal mobility with every swing.Secure zippered hand pockets and an inner chest pocket.Internal loop for easy hanging.