... ~400gsm 1)Materials:100% merino wool2)Micron:17.5~22.0Mic3)Treatment:Superwashed/Soft Luster/Basolan4)Fabric construction:Jersey,Interlock,Rib,Terry,Brushed ... long-wearing for years of comfort.Materials:100% woolFabric construction:Jersey,Interlock,Rib,Terry,Brushed,Pointelle...Fabric weight:120gsm ~400gsmSewing machine:4 needle ...