Deep heel construction provides excellent fit and prevents slippage, Arch band for secure fit, Mesh venting for breathability, Comfort toe seam, Cushioned sole for comfort and absorbency. The Super Soft Crew Sock by Columbia is perfect for your everyday use. 61% Polyester 32% Acrylic, 4% Wool, 1% Rubber, 1% spandex, 1% Other Fiber. Fits most mens shoe size 8-12. Soft Moc Mens Moisture Control Boot Sock - 2pack/Black