K-T ExtinctionThese K T Extinction Fort Knocks feature a matte Cretaceous Paleogene exterior frame with a hazy dust cloud interior, gold hardware, and polarized yellow fireball lenses with a fossil lens etch. Designed on our durable and high quality frame, these sunglasses have a slightly wider fit than our other frame styles and provide full UV400 sun protection. Every pair comes with a bolide impact protective pouch, a hand numbered edition card, and a 2 inch