Product Details: Function: keep warm and warm Fabric: Cashmere Collar: round neck Pattern: plain Clothing version: Slim fit Material composition: cotton 100% Size Information: Size: one size Note: 1. Asian sizes are 1 to 2 sizes smaller than European and American. If your size is between the two sizes, please choose the larger size. Due to manual measurement, please allow 2-3cm difference. 2. If you don`t know how to choose the size, please check the size chart carefully before you buy the item,