When the trail calls for serious miles, these Smartwool Trail Run Targeted Cushion crew socks deliver the perfect balance of comfort and durability for your longest adventures. Built with responsibly sourced Merino wool and reinforced with Indestructawool™ technology in high-wear zones, they're engineered to outlast punishing trail conditions while keeping your feet comfortable mile after mile. The 4 Degree™ Elite Fit System strategically places cushioning exactly where you need it most, while breathable mesh zones and blister-resistant design help you push further without the fuss. The crew height provides extra protection from trail debris and rocks, making these the go-to choice for trail runners who demand performance socks that can handle everything from technical single track to ultra-distance challenges.