Conquer every switchback and rocky descent with the Smartwool Targeted Cushion Trail Run Singletrack Print Crew Socks, engineered specifically for trail runners who demand performance on technical terrain. These merino wool trail running socks deliver strategic heel and forefoot cushioning right where you need impact protection most, while mesh ventilation zones keep your feet cool and dry during grueling climbs. The innovative 4-degree elite fit system uses dual elastic technology to lock the sock in place mile after mile, while Smartwool's signature Indestructawool Technology reinforces high-wear areas for long-lasting durability. Whether you're tackling mountain single track or logging miles on rocky trails, this sustainable blend of merino wool and recycled materials provides the perfect balance of natural comfort and technical performance that serious trail runners rely on.