Grab your Oakley Menâs Leffingwell Matter Prizm Sunglasses and head down to the beach. The square BiO Matter® frame is made from plant-based materials for sustainable durability and the anti-reflective coating reduces glare off of the water to help you see better. The full-rim, square polycarbonate lenses are lightweight and extremely durable and have Prizm Lens⢠technology to enhance color and contrast. Oakley Menâs Leffingwell Matter Prizm Sunglasses Brown - Case Sunglasses at Academy Sports