The oakley holbrook™ mix are a square-framed sunglasses that combine style and functionality. Featuring a woodgrain matte frame color, they are designed to complement any outfit. These shades feature prizm black lenses, which offer optimized contrast and enhanced visibility while cutting through bright light conditions for an impeccable view of your surroundings. Crafted from o matter material, these square-framed sunglasses are built to last and withstand everyday wear and tear. Available with lens contrast enhancement technology. - frame material: o_matter