Bollé Pathfinder Sunglasses are a mountain-ready model that combines a square, glacier-style frame with adaptive Phantom photochromic lenses for changing light conditions. Designed for high-altitude and active use, they prioritise stability and optical protection. Key attributes: Black | Indeterminate | Nylon | 100% UV protection | Photochromic Phantom lenses (Cat. 2–4) | High-impact resistance | Anti-fog coating | Thermogrip rubber on temple tips and nosepiece | Adjustable 3-position nose piece | Removable side shields | Snap/self-locking hinge | Cord hole (cord included) | Rubber front clip | Square mountain frame | Glacier/mountain style | Wraparound profile | Dimensions & fit: Lens width 61 mm | Lens height 53 mm | Temple 130 mm | Bridge 15 mm | Weight 36 g | Medium fit | Composition & care: Nylon