Ingeniously designed, this soft and stretchy set stays hidden for effortless wear. Hidden soft non - slip grip at inside heel., Imported:, Fabrication: Black 84% Polyester 13 Cotton 3 Spandex, White: 78% Polyester 19 Cotton 3 Spandex, Garment Care: Machine Washable Loft Fern & Stripe No Show Sock Set Black Women's by Loft Size Regular - One Size Black Women's Socks, & Tights Black: 84% Polyester 13% Cotton 3% Spandex White: 78% Polyester 19% Cotton 3% Spandex Machine Washable