Percussion Megadry SweatshirtPercussion Megadry Sweatshirt This technical underwear uses honeycomb technology to wick away perspiration while retaining heat. The layering of fabrics provides a much higher insulating capacity than a traditional sweater. The first layer of fabric pushes perspiration outwards, the second layer prevents the wind and cold from penetrating under the garment. Available in: Khaki, Black To see more from Percussion, visit the Percussion Collection