1.100% Superfine Merino Wool 2)Jersey,Interlock,Rib,Terry,Brushed,Pointelle 3)145gsm ~400gsm ... retardant, durable, anti-static, and a UV protector. Wool is 90% keratin - a tough, insoluble, fibrous protein ... as the microscopic diameter of each strand of wool creates a soft, comfortable, fabric that is ... outdoors...We are very professional in producing merino wool products for many years with high quality, ...