Manufacturer: Simcan Simcan Comfort Socks Nav are knit with a uniform expansion fit that provides consistent comfort from the toe to the very top of the sock. It is designed to accommodate almost any size leg and foot and not restrict the wearer's natural circulation. The combination of miracle stretch fibers and the unique knitting process provides maximum adherence to the leg that resists slipping on the ankle. Features: -Non-binding top: will not bind or restrict circulation on most legs. -Low profile seam: helps eliminate irritation at the toes. -Sag resistant: Maximum resistance to slipping on the ankle. -Easy to put on: Ideal for people with limited mobility.