Please note that the number in the style name indicates denier or density of the nylon. These supersoft and ultracomfortable Wolford knee-highs will keep you warm and stylish on those blustery cold days this fall and winter! Made of a supersoft cotton velvet blend. Ribbing to prevent slippage. 49 percent cotton, 45 percent nylon, 6 percent elastane. Machine wash cold, tumble dry low. Imported. If youre not fully satisfied with your purchase, you are welcome to return any unworn and unwashed items with tags intact and original packaging included.