The Bloc Twenty Five XCB90 sunglasses combine bold contemporary styling with high-performance engineering. Featuring a crayon grey frame and blue mirror Cat 3 lenses, they deliver outstanding clarity, comfort, and durability — ideal for demanding sports and everyday adventure. Blue mirror Cat 3 lens – reduces glare and enhances contrast in bright sunlight Crayon grey frame – lightweight, durable, and designed for all-day comfort Non-slip hypoallergenic temple tips – ensure a secure, comfortable fit during active use Screw-free sports clip hinge – provides flexibility and long-lasting reliability Perfect for sports, outdoor exploration, and everyday wear 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
