Ingeniously designed, this soft and stretchy set stays hidden for effortless wear. Hidden soft non - slip grip at inside heel., Imported:, Fabrication: ( Black ) 79% Polyester 16 Cotton 3 Spandex 2 Other Fiber, ( White ) 71% Polyester 19 Cotton 5 Nylon 3 Spandex 2 Other Fiber, Garment Care: Machine Washable Loft Shimmer Snowflake & Stripe No Show Sock Set Black / White Combo Women's by Loft Size Regular - One Size Black / White Combo Women's Socks, & Tights ( Black ), 79% Polyester 16% Cotton 3% Spandex 2% Other Fiber ( White ), 71% Polyester 19% Cotton 5% Nylon 3% Spandex 2% Other Fiber Machine Washable