Additional Information  IMPORTANT: If the supplier lists any certifications/approval from agencies such as CDC, FDA, NIOSH, NPPTL, or ASTM etc., please check to ensure such certifications are current and appropriate. ** Frame Design: Hydrophobic & Oleophobic: The lenses feature specialized coatings that resist water and oil. This ensures that sweat, rain, and fingerprints won't smudge your vision during a workout. Wraparound Shield Design: The half-rim, wraparound frame provides an unobstructed field of vision and maximum coverage to protect against wind, dust, and side-glare. TR90 Construction: The frames are made from TR90 material, which is incredibly lightweight, flexible, and durable enough to handle being tossed in a gym bag. Impact Resistance: Lenses are FDA-compliant and impact-resistant, protecting your eyes from flying debris or accidental drops. UV400 Protection: Blocks 100% of UVA and UVB rays. Knockterra+ technology is typically available in two primary tints, each serving a specific purpose: Green-Enhanced: Specifically tuned for the golf course to make fairways and greens more vibrant. Rose-Enhanced: Ideal for variable or low-light conditions, significantly boosting contrast to help spot undulations in terrain. Hard Case Included: Flight Path models come with a protective hard-shell clamshell case to keep them safe in your gym bag or golf cart. These are not available for decoration. Custom Branding: For an additional fee include a fully sublimated cleaning cloth to recognize your company or event name.