Give your sunglasses stash a sophisticated upgrade with these black / smoke Knockaround Mai Tais. They feature sleek matte black frames in our timeless rounded silhouette, plus smoky grey-black lenses that literally go with everything. These matte black sunglasses are built to last, featuring a thick, durable frame with strong metal hinges and embedded K logos on the arms. You can upgrade to a pair of polarized Mai Tais for just a few bucks extra.