... protector. Wool is 90% keratin - a tough, insoluble, fibrous protein also found in hair, finger nails, horns, hooves and the ... away from the skin about 30% faster than synthetic fabric,and,unlike synthetics,is fire resistant and wool fibers can ... Materials:100% woolFabric construction:Jersey,Interlock,Rib,Terry,Brushed,Pointelle...Fabric weight:120gsm ~400gsmSewing machine:4 needle flatlock/3 needle ...