X Static, Insulating Hollow Core Polyester, Stretch Nylon, Exclusive Thorlon Acrylic, Primaloft 50 Merino Wool 50 PolyesterSocks

X Static, Insulating Hollow Core Polyester, Stretch Nylon, Exclusive Thorlon Acrylic, Primaloft R 50 Merino Wool 50 Polyester