The S-Phyre Merino Tall Sock is an all-season cycling sock designed for road, gravel, and endurance riding. Its merino wool blend regulates temperature and manages moisture. The thin sole improves pedaling efficiency and shoe contact. A knitted anti-slip heel enhances in-shoe stability. The mid-calf height allows layering with tights in cold weather. It features a durable blend of wool, polyester, polyamide, and elastane.