Hiking, biking and enjoying the great outdoors can be rough on your feet if you don't have the right socks. SmartWool® has created these sport crew socks to take the guesswork out of which one to choose. The exclusive 4-Degree fit system cradles your feet with bands at the ankles, upper insteps, lower insteps and arches for superior fit and performance. The heels and toes are reinforced for durability. Flat-knit toe seams add to the comfort. Strategic mesh ventilation zones keep feet cool and dry. Double-ribbed cuffs. 59% merino wool, 39% nylon, 2% elastane. Machine washable. Made in USA. Men's sizes: Large (9-12). Colors: Light Grey, Oatmeal.