Self: 52% wool, 37% polyester, 11% silkCollar: 53% wool, 36% polyetser, 11% silkRib: 48% wool, 33% polyester, 10% silk, 8% nylon, 1% spandex. Dry clean only. Partial front button closure. Ribbed trim. Lightweight knit fabric. Made in China. Our Style No. BPLS-MK77. Manufacturer Style No. 38120043156-59.