Style Sea Island Cotton socks are made with the world's rarest cotton, ensuring a luxurious feel that is as soft as cashmere.; Knitted with the world's rarest cotton for a soft, luxurious feel; Ideal for sensitive skin; Double-covered inlay yarns provide comfort and allow product to easily glide on and off; BEST SUITED FOR tired, heavy, restless, aching legs; travelers; occupational leg health risks; expecting mothers; family history of chronic vein disease