Hot as the desert sun and wild as a pack of coyotes, our Coyote Calls Fort Knocks are ready to take on the world. Army green frames with amber interiors blend in with the arid landscape, sitting snugly on medium to larger face shapes. There’s no need to fear those piercing rays either, since the polarized aviator green lenses have UV400 protection built in. You get the style you’ve come to expect from Knockaround with the durability synonymous with Fort Knocks, all in one pair of shades.