85% lambswool 10% nylon (lining ) 5% angora In good condition considering its age (my guess is 1960s) some beads are loose but can easily be repaired. No size on tag, it's a little snug on me and I wear xl, so it would fit a size large or medium best. Measurements laying flat are approximately Pit to pit 22 inches Shoulder to hem 21 inches Shoulder to shoulder 18 inches Pit to sleeve hem 12 inches