Horsefeathers Neutron Photochromic Bike Sunglasses (matt Black/gray)

The horsefeathers neutron sunglasses automatically adapt to changing light conditions so you always see sharply and with true-to-life colors. The lightweight and durable frame fits comfortably and thanks to the adjustable temples you can easily customize them to suit your needs. An ideal companion for sports and everyday movement in sunny weather – tested by our team. Whether you're riding trails running or simply spending time outdoors the neutron delivers reliable all-day comfort. Frame: lightweight and durable material tr90 without spring hinge silicone nose pad  optics: high quality lenses 15 mm thick 100% uv protection glare-free vision clear contrast true colours measurements: bridge 17 mm temple 130 mm front width 145 mm light transmission – before darkening: 90% (s1) after darkening: 21% (s2) includes branded hardcase with cleaning cloth.