Lightweight, and warm 'PUFFTECH' with the latest highperformance fiber technology. Special material made by weaving two pieces of fabric together, so there are no needle holes, making it difficult for rain and wind to penetrate. Waterrepellent finish. The fabric is coated with a waterrepellent agent so the effect lasts. Stretchable tape and gathers from the sides to the back of the cuffs and hem reduce cold air infiltration. Hollow fibers about 1/5 the thickness of a human hair trap warm air to keep you warm. Hand washable for easy care. Waterrepellent finish protects against light rain. The fabric is coated with a waterrepellent agent so the effect lasts. The finish is not permanent. 3Dcut design allows easy arm movement.