Keep your feet feeling comfortable as you pound out the miles with SmartWool's Run Targeted Cushion Pattern socks, crafted in a soft, wicking merino wool blend with breathable mesh ventilation zones, 4-Degree Elite Fit System technology and flat toe seams for chafe-free comfort. Itch-free merino wool is temperature regulating, moisture wicking and odor resistant Blended with recycled nylon, nylon and spandex for durability, fit, shape and comfort Indestructawool® technology provides ultimate durability 4-Degree Elite Fit System places strategic bands and flex zones at ankle, arch, upper instep and lower instep Ribbed welt for a stay-put fit Breathable mesh ventilation zones Targeted cushioning at ball and heel of foot Virtually Seamless toe reduces chafing and irritation Lightweight Height: Crew Made in United States of America from imported yarn