The Smartwool Hike Light Cushion Ankle Socks for Women feature Indestructawool sewn into high-impact areas, ensuring these hiking socks outlast the longest trails. 4 Degree Elite Fit System boasts strategic stretch and mesh zones to enhance breathability and fight blister-causing friction. Light cushioning along the entire bottoms give you the perfect amount of padding for hiking. These merino wool socks feature Virtually Seamless toes that enhance comfort, especially when you're going downhill, and the women's-specific fit has a narrower heel shape. 59% merino wool/39% nylon/2% elastane. Machine wash.Manufacturer style #: SW001571. 59% merino wool/39% nylon/2% elastane construction Indestructawool reinforcement in high-wear areas 4 Degree Elite Fit System includes built-in stretch Mesh zones keep your feet cool Light cushioning along the bottoms Virtually Seamless toes Women's-specific fit