... covered 3)Produced with Japanese-made machine 4)good for socks underwear... Features:(1)spandex coverd yarn(2)Air-covering or ... cover yarn .It can be used as the material for socks,sweater , jeans ,knitting cloth ,woven cloth and seamless underwear .It also ... as follows:1.products for large-circular knitting machine(for socks)A2040,T2040;A2050,T2050;A2070,T2070;A4070,T4070;A40150,T40150 ...