
The Story
The Bloc Titan XB630S Single sunglasses deliver uncompromising performance with a sleek black frame and blue mirror Cat 3 lens on a brown base. Designed for athletes and outdoor enthusiasts, they combine precision optics, durability, and all-day comfort in one streamlined package.
Features:
- Blue mirror Cat 3 lens on a brown base – reduces glare, enhances contrast, and delivers exceptional clarity in bright light
- KARBON TX™ bi-core injected frame – lightweight, flexible, and engineered for high-performance endurance
- Streamlined sport design – ideal for cycling, running, skiing, and high-intensity outdoor use
- Quick-change lens system – simple temple-fold mechanism for easy replacement (compatible with other Titan lenses)
- Compatible with Titan accessories – including optical inserts, head straps, and hard cases for added security and versatility
- XTR Karbon8 optical class 1 lens – distortion-free, impact-resistant, and crystal clear
- Maximum UVA & UVB protection
- Tested to BS EN ISO 12312-1:2013
- Frame size: 72mm lens width, 26mm bridge, 139mm arm length
- Microfibre cloth case included - doubles as a cleaning cloth
Bloc Eyewear Titan Sunglasses Blue Mirror Lens Black Frame XB630S XB630 S

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The Bloc Titan XB630S Single sunglasses deliver uncompromising performance with a sleek black frame and blue mirror Cat 3 lens on a brown base. Designed for athletes and outdoor enthusiasts, they combine precision optics, durability, and all-day comfort in one streamlined package.
Features:
- Blue mirror Cat 3 lens on a brown base – reduces glare, enhances contrast, and delivers exceptional clarity in bright light
- KARBON TX™ bi-core injected frame – lightweight, flexible, and engineered for high-performance endurance
- Streamlined sport design – ideal for cycling, running, skiing, and high-intensity outdoor use
- Quick-change lens system – simple temple-fold mechanism for easy replacement (compatible with other Titan lenses)
- Compatible with Titan accessories – including optical inserts, head straps, and hard cases for added security and versatility
- XTR Karbon8 optical class 1 lens – distortion-free, impact-resistant, and crystal clear
- Maximum UVA & UVB protection
- Tested to BS EN ISO 12312-1:2013
- Frame size: 72mm lens width, 26mm bridge, 139mm arm length
- Microfibre cloth case included - doubles as a cleaning cloth
Bloc Eyewear Titan Sunglasses Blue Mirror Lens Black Frame XB630S XB630 S


















