Egyptian Cotton Ultra-soft & durable, for a luxurious feel. When To Wear When you want to feel (and look) put together, boardroom to brunch. Additional Features Stay-Up Cuff - No slipping, bunching, or adjusting. Mesh Cooling Vent Keeps your feet cool and dry, so you don't have to wince every time you take your socks off. Reinforced Seams - Keep your socks feeling and looking great for longer. No-Feel Toe Seam - A smooth toe seam for a barely there feel. Ribbed Arch Support - Keeps your feet supported and comfortable throughout the day. 60% Egyptian Cotton, 35% Nylon, 5% Spandex Machine wash cold. Tumble dry low.