NEOBLU STUART MEN, MEN'S ROUND-NECK SWEATER, 14 gauge - 50% RWS Merino wool - 50% GRS certified recycled polyester Knit 245 g/pc, Round neck, Modern cut, 1x1 ribbed neck, cuffs and hem, Fully fashioned sleeves. About sizes matching, please refer to the size chart in the product documentation section.