Men's rarely used Coofandy turtleneck sweaterSize XL, Slim Fit36 inches sleeves5.75 inches from collar seam to shoulder seam21.5 inches armpit to armpit--the sweater easily stretches to 25 inches armpit to armpit (slim fit XL)28.5 inches down the center backGrayThick ribbed fabric (70% polyester and 30% PBT)Beautiful with no defects