100% Speedcraft Air Sunglasses More air, more style, more speed The 100% Speedcraft Air sunglasses are a revolutionary approach to cycling eyewear and aim to actually improve your on-bike performance. The Speedcraft Air sunglasses were designed in conjunction with AC Systems to allow for greater airflow through the rider's nose by using a patented nasal dilator system. The system uses magnetic stickers and is fully adjustable to control the amount of dilation and airflow by simply turning a dial on the lens. Not only that, the Speedcraft Air also boasts a scratch-resistant single-lens shield, with water and oil-repellent Hydroilo coating and ultra-clear optics. This wrap-around lens provides an ultra-wide field of view, 100% UV protection and is available in a contrast-enhancing Hi PER lens for the ultimate visual experience. Features Unique nasal dilator provides fully-adjustable airflow through the nose for greater oxygen intake and increased performance Optional Hi PER lens provides increased contrast and improved colors Hydroilo lens coating increases scratch resistance while repelling water and oil Temple arm ventilation scoops increase airflow to reduce moisture buildup High-grip rubber nose piece and temple tips keep the Speedcraft Air in place during the hardest rides Easily-interchangeable lenses with a clear lens included100% UV protection (UV 400) for safety and to reduce eye strain Specifications Frame Material TR90 Polycarbonate Additional Lenses Included Clear Adjustable Ear Pieces No Case Included Yes | 100% | Speedcraft Air Sunglasses Men's In Soft Tact Black/hiper Red Mirror | Rubber