100% wool. Sizing: 8R 24" waist, 10R 25" waist, 12R 26" waist, 14R 27" waist, 16R 28" waist, 18R 29.5" waist, 20R 30.5" waist, 22R 32" waist, 10H 28.5" waist, 12H 29.5" waist, 14H 30.05" waist, 16H 32" waist, 18H 34" waist, 20H 36" waist, 22H 38" waist
