The Darn Tough Mens Light Hiker Micro-Crew Merino-Wool Socks help feet take on demanding trail conditions in comfort. Made of a fine-gauge merino-wool blend, these high-performance hiking socks naturally regulate temperature and wick moisture for outdoor comfort year-round. Naturally odor-resistant, these easy-wearing socks resist foot odor and keep feet feeling fresh. Smooth-ribbed uppers for a comfortable, blister-free performance fit. True Seamless construction ensures undetectable seam fusion for an ultrasmooth, irritation-free feel. Light cushioning under the feet for versatile comfort. 43% merino wool/54% nylon/3% Lycra spandex. Made in USA. Mens sizes: S-L. Colors: Aqua, Slate.