The Smartwool Women's PhD Outdoor Light Crew Socks are another top-rated option for women's backpacking socks on Amazon. These socks are made from a blend of merino wool, nylon, and elastane, providing a comfortable and snug fit. The PhD 4 Degree Elite Fit System ensures a secure fit, while the light cushioning offers support without adding bulk. These socks also feature Smartwool's Indestructawool technology, making them highly durable and long-lasting. Whether you're hiking, backpacking, or engaging in other outdoor activities, these socks will keep your feet dry, comfortable, and blister-free.