The Smartwool Hike Light Cushion Mountain Moon Crew Sock - Women's is a lightweight sock for hiking. Slip into a pair of foot-hugging comfort with the durable, performance blend of Merino wool, nylon, recycled nylon, and elastane. The soft fabric regulates temperature, resists odor, and has been constructed with Indestructawool technology for durability and body-mapped mesh zones for even more breathability. Put your feet on the trail and stay comfortable throughout the adventure.