This rugged but lightweight work jacket is perfect for riding on a brisk day. The 100% nylon shell is coated with durable water repellency and allows for protection from the elements. 80 gram 3M Thinsulate Insulation adds extra warmth for colder days. You will stay comfortable and agile during your ride with the integrated stretch action back. This jacket layers nicely under your outer shell in the toughest winter conditions.