The Shirley Top is made from 100% certified Organic Bamboo Silk, a super soft and luxurious fabric. size length shoulder sleeve length XS 23" (58.5cm) 19" (48cm) 16" (40.5cm) S 23.5" (59.5cm) 20" (50.5cm) 16.5" (42cm) M 24" (61cm) 21" (53.5cm) 17" (43cm) L 24.5" (62cm) 22" (56cm) 17.5" (44.5cm) XL 25" (63.5cm) 23" (58.5cm) 18" (45.5cm) 100% Certified Organic Bamboo Silk Fair Trade Vegan Made in England Dry Clean