Bloc Eyewear Twenty Five Sunglasses (Photochromic Grey Lens/Matt Black Frame)

The Bloc Twenty Five XMPH90 sunglasses bring adaptive photochromic technology to the Twenty Five performance range. Featuring a matt black frame with grey lenses that automatically adjust to changing light, they’re built for athletes and outdoor enthusiasts who need clarity, comfort, and reliability from dawn to dusk.

Features:

• Photochromic grey lens (Cat 1–3) – darkens in bright light and lightens in shade for optimal vision in all conditions
  
• Matt black frame – lightweight, durable, and designed for long-lasting comfort
  
• Non-slip hypoallergenic temple tips – ensure a secure, stable fit during active use
  
• Screw-free sports clip hinge – enhances flexibility and long-term durability
  
• Perfect for cycling, running, water sports, and all-weather outdoor activities
  
• XTR Karbon8 optical class 1 lenses – distortion-free, impact-resistant, and crystal clear
  
• Maximum UVA & UVB protection
  
• Tested to BS EN ISO 12312-1:201
  
• Frame size: 67mm lens width, 17mm bridge, 122mm arm length
• Microfibre cloth case included - doubles as a cleaning cloth

Bloc Eyewear Twenty Five Sunglasses Photochromic Grey Lens Matt Black Frame XMPH90