Thunder Fifty Low Matte Black / Photochromic Mirror Red Collection_One_Way while the padded insole adapts

while the padded insole adapts to your foot to provide a consistently comfortable feel

Franklin model in white with a textured finish features an inner zipper on one side and adjustable cotton laces

Equipped with OPTAREX™ Mirror lenses: solar protection and performance with a mirrored finish that makes the difference

Asymmetrical cut shaft design in various dark tones with synthetic interior lining for superior warmth

The lens width is 48 mm and the front is 140

Thunder Fifty Low Matte Black / Photochromic Mirror Red Collection_One_Way while the padded insole adaptsThunder Fifty deliver a powerful visual experience with OPTAREX Photochromic lenses that automatically adapt to light conditions. Built to sharpen vision in bright environments, they feature full UV400 protection, Category 3 lenses, up to a 68% blue light filter, and REVO coating to enhance contrast, reduce glare and keep vision clear at speed. Rated Category 02, they are ideal for high sun outdoor workouts from road cycling to trail running. Designed