This long sleeve merino silk crew is a versatile go-to for all-season dressing. The merino silk blend is able to regulate body temperature, keeping you cool when it's hot and warm when it's not. Wear alone or as a base layer under other clothes. The rib fabric allows for plenty of stretch, while always maintaining its shape and color. The silk adds extra sheen, strength and a lustrous shimmer to the fabric. The yarn has been treated with a chlorine-free Plasma treatment for machine washability. 200gsm 70% organic merino wool, 30% silk Condition: EUC, some pilling but not holes or any stains.