Naturally dyed with chestnut and other dyes. 100% Silk GGT.Hand wash in cool water. Hang to dry. One of a kind. Each piece has unique markings and may vary slightly in color. Made to order. Each piece is made and dyed to order and can take up to 6 weeks, but we always try our best to make it sooner. Measurements:Sleeve Length (from neck): 20 1/2 (XS) 21 (S) 21 1/2 (M) 22 (L)Sleeve Opening: 7 1/2 (XS) 8 (S) 8 1/2 (M) 9 (L)Center Back HPS: 17 (XS) 17 1/2 (S) 18 (M) 18 1/2 (L)1’ Below Chest: 17 1/2 (XS) 18 1/2 (S) 19 1/2 (M) 20 1/2 (L)