Happy Socks Womens Optics Socks 80% combed cotton/17% poly/3% elastane Imported Machine wash Our combed cotton socks are high quality socks since the cotoon is combed before being spun into threads, short fibers fall out, while comfier and stronger fibers stay in The hand-linked toe seam means that there is no bulging overlap at the toe, but a perfectly smooth seam, making your socks fit like a glove