For hiking comfort and performance, SmartWool's Striped Hike Socks feature full cushioning, smooth flat knit seams, WOW technology, and the moisture wicking performance of soft merino wool. . Medium full cushioning to help absorb impact on the trail. SmartWool delivers soft, itch free comfort, even foot temperature, moisture management, and odor control. WOW wool on wool technology in reinforced sole for maximum comfort and durability. 3x1 ribbed leg. Sizing clearly indicated on the socks. Flat knit toe seam for comfort. Elasticized arch brace for support and a stay put fit. Crew height. Machine wash warm, inside out, gentle cycle tumble dry low or air dry do not bleach.