Constructed with merino wool which provides an uncompromising fit, reinforced nylon stitching for durability and mesh knitting for breathability, lightweight hiker will pair nicely with any of Danner trail ready footwear. Heel, toe, and underfoot cushioning for comfort while hiking any distance. Merino wool for premium comfort. Additional elastic yarn for a perfect and snug fit. Reinforced with nylon for friction resistance. Flat lock toe to prevent irritation. Open mesh knitting for superior breathability. Merino wool 60%, nylon 20%, stretch nylon 13%, elastane lycra 7%.