Designed for wet and dry environments, waterproof jackets are designed to withstand all types of inclement weather. Using three dwr-coated waterproof fabrics, zippers, seam sealing technology and 700 shades of down insulation, the aisen collection is our most versatile and luxurious collection to date. Accurate sizing: our lightweight winter jackets are designed for size fit, neither too tight nor too loose, providing the best fit.