Interwoven's One Tough Sock. - Fully Cushioned foot for comfort and longer wear - One Tough Guarantee - Reinforced heel and toe - Spandex throughout helps sock stay up & maintain its shape - double welt top for stay up power Content: - 80% Cotton - 17% Nylon - 2% Polyester - 1% Spandex 3 Pair Package Made in USA of domestic and imported yarn Lifetime Guarantee: Activity: Athletic & Multisport Sock Height: Crew Content: Cotton Cushioning: Midweight Machine wash cold with like colors