Follow the signs leading to your new-favorite Smartwool® Falling Arrow Crew Socks! Sold in a one-pair pack. Women's specific fit; narrower heel and slimmer fit. Crew sock in a soft wool-nylon blend. Supportive arch brace for enhanced comfort and fit. Waffle-knit flex zone. Flat-knit toe seam. Reinforced sole offers light cushioning. 50% wool, 47% nylon, 3% elastane.