This Sport-Tek men's jacket is great for winter commuting or school days. It's designed for men who want to stay dry and comfortable in cold weather. Made of 100% polyester with a water - resistant face coating, it's fully seam - sealed. The body has 2.4 - ounce polyfill insulation, and the hood and sleeves have 1.8 - ounce polyfill. It's easy to put on and take off with polyester taffeta sleeves.