Classic replica design with a modern retro accent Retro Brown Frame Aesthetic: Matte brown metal frame + teal leather wrapped edges, inspired by the 1960s road riding goggles, suitable for retro motorbike, Cafe Racer, Scrambler style. Transparent lenses break the dullness of traditional dark-coloured lenses, with a sense of technology in retro, suitable for daily commuting, motorcycle travel wear, outdoor shooting scenes. Lightweight folding design: The three-stage folding structure of the lens legs makes it the size of a mobile phone after storage, so it can be easily stuffed into the pockets of cycling clothes or side pockets of backpacks, and say goodbye to the cumbersome storage bag. Transparent lenses for all scenes, both protection and clarity. High transmittance lenses: Transparent lenses with 92% light transmittance, clear vision without chromatic aberration on cloudy days/night rides, and can be matched with sunglasses clip-on under strong light conditions. PC material impact strength is 5 times stronger than ordinary lenses, not broken by gravel/tree branch impact, passed EU CE safety certification. Windproof and dustproof seal design: Adjustable silicone nosepiece + high-density sponge windproof cushion, fits Asian face shape, no wind leakage or sand ingress for high-speed riding, splash-proof for rainy days. Ergonomic details, comfortable to wear without burden Breathable respiratory system: Hidden ventilation holes at the top of the frame reduces fogging of the lenses, with anti-sweat silicone strips, sweaty riding without sticking to the face and pressure on the cheekbones. Ultra-light material: The frame weighs only 65g (about the weight of an apple), making it lightweight and easy to wear, so you can jump off-road or travel around the city with ease. Helmet Compatible: Elastic velcro headband, fits head circumference 54-62cm, stackable full/half/off-road helmets, compatible with helmet vents without sweltering.