Inspired by previous icons and designed from scratch for the next generation of Costa water explorers, Street Heat blends modern performance features and street culture styling to meet the eye protection and durability demands of the youngest water explorers. Taking design ques from Grand Catalina, Street Heat delivers similar aesthetic ques and same level of versatility, tuned for younger faces. Micro side shields and hooding provide a heightened level of coverage, minimal light leak and protection from the elements. Retainer ready temple tips allow users to affix any retainer of their choice to ensure their frames aren't lost while exploring. Design: Filtering reflective glare is essential for anyone on the water or outdoors. Costas absorb 100% of UV light, providing you the best in light management and protection C-Wall coating provides extra scratch-resistance and a barrier that repels water, oil and sweat for easy cleaning The lens' multipatented technology manages light by:Absorbing Harmful High-Energy Blue Light (HEV), Enhancing Reds, Greens, and Blues, Filtering Out Harsh Yellow Additional Details 6 Base Curve Decentered - Medium Coverage: Frames with medium-coverage and wrap that value style but still perform Narrow Fitting: A small lens front designed to fit those with a slightly narrow head 580P is Polarized Polycarbonate 580G is Polarized Glass