ROCKBROS - A Brand Rooted in Cycling Passion ROCKBROS is an original brand founded by cycling enthusiasts. Its goal is to offer high - quality products at an affordable price to every customer who loves cycling and outdoor sports. ROCKBROS Sports Sunglasses - Photochromic Cycling Sunglasses with UV400 Protection for Outdoor Activities, Unisex Specification Brand: ROCKBROS Materials: TAC (Lens), TR + PC (Frame) Weight: Approximately 30 g Colors: Polarized Sunglasses: White / Blue Photochromic Sunglasses: Black / Dark Blue Dimensions: Width approximately 15.5 cm, Length approximately 17 cm 100% UV400 Protection: These sunglasses are especially suitable for outdoor activities.