A Revolutionary design with Feetures exclusive technology - The Sock-Lock Support System Made with Feetures exclusive iWick Nylon for a super soft hand. The "perfect Toe" is Feetures seam-free toe closure. A unique construction that creates a completely smooth seam at the toe, both inside and out. This eliminates the irritation and discomfort caused by traditional toe seams. The perfect amount of compression to promote blood flow and reduce fatigue by supporting your muscles Feetures produces all of it's socks with a higher thread count than most socks. This results in a softer and stronger sock.