The Smartwool Women's PhD Outdoor Light Crew Socks are a popular choice among climbers and outdoor enthusiasts. These socks are made with a blend of merino wool, nylon, and elastane, providing excellent moisture management and temperature regulation. The light cushioning offers targeted impact absorption, reducing fatigue during long climbs. The 4 Degree Elite Fit System ensures a secure and comfortable fit, while the flat-knit toe seam prevents irritation. These socks are also highly durable and odor-resistant, making them perfect for extended climbing trips. With their combination of performance and comfort, it's no wonder why these socks are highly sought after by women climbers.