Size M but fits like a large. worn one time but just too warm for me now that im in Florida. Excellent used condition Engineered For Midrange Warmth in Moderately Cold Conditions. See Technology section below for more details. 12-ounce, 100% ringspun cotton duck Blanket-lined body for warmth; Quilted nylon sleeve lining for warmth and easy on-and-off Carhartt-strong, triple-stitched main seams Corduroy-trimmed collar with under-collar hood snaps Two rivet-reinforced chest pockets Two rivet-reinforced lower front pockets lined with a soft brushed lining Two inside pockets Model No. C01-M