Rudy Project Turbolence Sunglasses pair a ventilated, semi-rimless shield frame with smoke black lenses for cycling and running. They prioritise lightweight comfort and quick lens interchangeability for changing light conditions. Key attributes: Black | Smoke black | Plastic | UV protection | Ventilated design (Powerflow) to reduce fogging | Lightweight (29 g) | Replaceable lenses | Compatible with RX adapters | Ultra-grip temples | Semi-rimless shield lens | Matte finish | Dimensions & fit: Weight: 29 g | Frame width: 135 mm | Temple length: 138 mm | Lens height: 53 mm | Medium fit | Size M