Costafrey Unisex Silicon cotton Anti-slip Loafer Socks (Pack of 5) (Multi Colour) Features: material: 85% cotton / 12% nylon / 3% spandex one size:m:7-10flexible, l:10. 5-12. 5flexible non-slip function, comes with generous heel construction and silicon heel-grip to minimize slipping. Single layer sock provides a second skin feel. Soft, breathable, wearable, durable, hypoallergenic, moisture-wicking and odor-fighting. Created with style to be uncomplicated; masculine and easy going. Wear with your favorite golf shoes, dress shoes, deck shoes, boat shoes, running shoes, climbing shoes, athletic shoes, or any of your other favorite shoes. Perfect with sperry shoes. Package included: 5 pairs mens socks.