Twenty Five Photochromic XMPH90 Sunglasses

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.

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: 67 □ 17-122 – 67mm lens width, 17mm bridge, 122mm arm length