... Classic series from 145 ~ 210 g / m2 Jersey, 200 ~ 290 g /m2 interlock to weight arrives 400g/m2 interlock and 225 ... unbelievable.Merino wool wicks moisture away from the skin about 30% faster than synthetic fabric,and,unlike synthetics,is fire ... of comfort.Materials:100% woolFabric construction:Jersey,Interlock,Rib,Terry,Brushed,Pointelle...Fabric weight:120gsm ~400gsmSewing machine:4 needle flatlock ...