Please note that the number in the style name indicates denier or density of the nylon. The Wolford Individual 50 Leg Support Knee-Highs are the best of both worlds, both supportive and luxurious. Excellent stretch due to double-wrapped elastane design. Stimulates circulation, helps prevent prematurely tired and swollen legs. Soft, wide band. Matte opaque look. Reinforced toe. Hits at knee. 79 percent nylon, 21 percent elastane. Machine wash cold in lingerie bag, hang dry. 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.