The Bloc Twenty Five X900 sunglasses combine sleek modern styling with high-performance protection. Featuring a shiny black frame and grey flash mirror Cat 3 lenses, they’re designed for athletes and adventurers who demand clarity, comfort, and durability in all light conditions. Grey flash mirror Cat 3 lens – reduces glare and enhances visual clarity in bright sunlight Shiny black frame – lightweight, durable, and built for active, all-day wear Non-slip hypoallergenic temple tips – ensure a secure and comfortable fit during sport or movement Screw-free sports clip hinge – provides flexibility, strength, and long-lasting reliability Ideal for outdoor, mountain, and everyday environments XTR Karbon8 optical class 1 lenses – distortion-free, impact-resistant, and crystal clear Maximum UVA & UVB protection Tested to BS EN ISO 12312-1:2022 Frame size: 67 □ 17-122 – 67mm lens width, 17mm bridge, 122mm arm length
