Champion Double Dry Performance No-Show Mens Athletic Sock 12-Pk/free sock clip 21% polyester Plush cottony yarns wick sweat, control moisture buildup, to keep feet cool and dry. Zoned cushioning and arch support help prevent shock and soreness. Allover stretch helps assure better fit. Includes 12 premium laundry sock clips ($10 Value) - Prevents losing socks and pair mixups. Size 10-13  fits shoe sizes 6 to 12. Fabric Content: White: 74% Ring spun cotton; 21% polyester; 3% natural latex rubber, 1% spandex. Black: 75% ring spun cotton; 20% polyester; 3% natural latex rubber, 1% nylon, 1% spandex