How do you make a pair of already authoritative Knockaround Mile Highs even more commanding? You make them in black-on-black! This pair features a sleek black metal frame with black rubber detailing and polarized black lenses, so it's really more like black-on-black-on-black. Regardless, you'll love these blacked-out aviator sunglasses anytime you're looking for a cool accessory that can handle your active lifestyle. Every pair of Knockarounds features impact-resistant lenses that offer UV400 protection for all-day wear.