The Smartwool Women's PhD Outdoor Light Crew Socks are another popular choice for women's backpacking socks on Amazon. These socks are made from a blend of merino wool, nylon, and elastane, offering a comfortable and snug fit. The PhD technology provides targeted cushioning and support in high-impact areas, reducing fatigue and preventing blisters. These socks also have excellent moisture-wicking properties, keeping your feet dry and odor-free. Whether you're hiking, backpacking, or engaging in other outdoor activities, these socks will keep your feet comfortable and protected.