100% lambs wool - very warm. in great condition, no signs of wear except a 1/4" square hole in the right armpit (pictured) which would be fixable at a tailor. ribbed neckline, sleeves, and hem. unisex cut, tagged as medium but would also fit a small. 20.5" chest (from armpit to armpit), 23.75" length, 29" sleeves (from top of neckline to end of sleeve). offers welcome.