Inspired by today's ultralight hiking shoes, this SmartWool day hiker features a small amount of cushion and open mesh fabric for enhanced breathability. . Light cushion for light impact absorption. Soft, breathable merino wool regulates temperature, manages moisture, naturally resists odor, and does not itch or shrink. WOW technology puts more merino wool in reinforced sole for maximum comfort and durability. Multi ribbed cuff for a perfect fit. Mesh ventilation zone enhances breathability. Flat knit toe seam helps prevents irritation and blisters. Elasticized arch brace for support and fit. Machine wash warm inside out, gentle cycle tumble dry low or air dry for best appearance.