Navy Blue knee socks for sports, navy-blue knee hi sock for women, men's navy argyle socks. Navy knee high socks are always a great option for your business casual outfit. Navy blue knee socks are the type of fashion option that can be used for work, cocktail parties, or a backyard BBQ with friends. The navy-blue leg warmers are comfortable and just like the name says keep your legs warm so that you can still wear that skirt or shorts you wanted to put on. Our navy hi socks is also a great choice as a school uniform for students.