The Mares Classic 3mm Dive Boot is a top-selling option for women's synchronized swimming socks on Amazon. These socks are made from 3mm neoprene material, which offers excellent insulation and protection in the water. They are designed to keep your feet warm and comfortable during synchronized swimming sessions. The Mares Classic 3mm Dive Boot also has a durable sole, providing reliable traction on wet surfaces. With their comfortable fit and reliable performance, these socks are highly recommended by customers.