Ideal for any weather, the Feetures Merino 10 Ultra Light No Show Tab Socks combine targeted compression and anatomical design. A distinct blend of Merino wool and Tencel fibers increase comfort during your activities. For running looks to upgrade, try the Feetures Merino 10 Ultra Light No Show Tab Socks! What's New? Reinforced heel and toe increase durability. Updated toe construction provides a slightly less compressive fit. Reduced spandex throughout for improved comfort. Sock Technology Merino 10 Fibers combines a distinct blend of Merino wool and Tencel fibers for improved comfort, better stretch, and more durability. Anatomical design conforms to left and right foot for a perfect fit. Targeted compression provides support in key areas. Insulation keeps feet warm in wet conditions.