Free Shipping & Easy Returns! Explore Under Armour UA 5040 Eyeglasses now. Step up your game with the help of the Under Armour UA 5040 eyeglasses. These square frames are constructed from metal, which makes them sturdy enough to stand up to wear after wear. The metal rims feature a metallic finish for an eye-catching look, while thermoplastic material ear socks provide comfort behind the ears even when you're on the go. A unisex design ensures these glasses suit anyone who needs clear vision no matter where they're playing or watching their sport of choice.