The combination of fleece and nylon for a sporty look. Zipper closure on left and right pockets. The top is only fleece, and the bottom of the switch is nylon on the front and fleece is attached to the inside. It is warm around the stomach and has a thickness that allows for easy movement in the forehead and shoulders. Size: Length: M61, L62, LL63, 3L64, Bust: M110, L114, LL118, 3L122, Shoulder Width: M38, L40, LL41, 3L43, Sleeve Length: M61, L62, LL63, 3L64