These Smartwool men's running socks deliver exactly what serious runners need: targeted cushioning where it counts most and the durability to handle countless miles. Built with merino wool's natural odor resistance and temperature regulation, they feature strategic cushioning on the ball and heel of your foot to absorb impact during long runs, while Smartwool's Indestructawool™ technology ensures they'll outlast your favorite training shoes. The 4 Degree™ Elite Fit system creates a locked-in feel that moves with you, and the Virtually Seamless™ toe construction eliminates hot spots that can derail your rhythm. Whether you're logging easy miles or pushing through a marathon training block, these performance running socks prove that the right gear makes every step more comfortable.