Oakley holbrook™ xl sunglasses are a modern twist on the vintage square silhouette. The matte black o matter frame and square shape make these shades an unmistakable style statement, while the prizm 24k polarized lens treatment delivers optimized color contrast and enhanced visual definition across all environments. Designed for those who want to stand out from the crowd, these shades feature a key bridge and offer both comfort and durability thanks to their resilient o matter frame material. Available with lens contrast enhancement technology. - frame material: o_matter