... short sleeve t-shirtMicron: 17.5~20.5Weight: 150~320gsmFabric: rib, single jersey, interlock, terry, mesh, jacquard, double layer, fleece etcComposition: merino wool, silk ... etc100% Merino wool, machine washable, won't hold odors like synthetics, extremely soft, won't itch or irritate skin, natural stretch ... , WRAP CERTIFICATION ETC. 100% superfine merino wool men knitted short sleeve t-shirt