... from the skin about 30% faster than synthetic fabric,and,unlike synthetics,is fire resistant and wool fibers ... 100% woolFabric construction:Jersey,Interlock,Rib,Terry,Brushed,Pointelle...Fabric weight:120gsm ~400gsmSewing machine:4 needle flatlock/3 ... overlockFor these activities and more:Snowmobiling,Snowboarding,Skiing,Hiking,Hunting,fishing,Bicyling,Jogging,Camping,Working outdoors...We are very ...