ROCKBROS Photochromic Sports Sunglasses Mens Cycling Glasses MTB Biking Sunglasses, with Removable Elasctic BandOnline

UV400 PROTECTIVE LENSES: Our photochromic sunglasses adopt safety and impact resistance UV400 protection coating PC lenses, blocks harmful UVA & UVB Rays and protect your eyes from sand, heavy wind, and strong sunlight

PHOTOCHROMIC TECHNOLOGY: ROCKBROS sunglasses transition lens can automatically change from clear to dark gray in response to the intensity of the ultraviolet, effectively maintain a suitable brightness to protect your eyes in strong sunshine（The lenses shoulde be contact with sunlight to change colour directly.）

ROCKBROS Photochromic Sports Sunglasses Mens Cycling Glasses MTB Biking Sunglasses, with Removable Elasctic Band is a light-weight, comfortable, and breathable polyester fabric that is perfect for any occasion. This ROCKBROS Photochromic Sports Sunglasses Mens Cycling Glasses MTB Biking Sunglasses, with Removable Elasctic Band product is available in many team colours, and is perfect for every type of fan.

INTERCHANGEABLE ARM & STRAP: The specially designed stress resistant TR90 frame can meetmost of your outdoor sports needs. And side arms can be unclipped for the retainer strap to add more safety for extreme sports

LIGHTWEIGHT: 30g per pair is perfect for long wear, ultra-light cycling sunglasses reduce pressure on your nose and temples. Curved design brings better wind and dust resistance, low air resistance, suitable for high-speed riding

COMFORTABLE: The mtb glasses designed with adjustable soft nose bridge to fit your nose better, built-in vent hole effectively prevents sweat from flowing into the eyes during exercise. Widely use for outdoor activities such as cycling, running, hiking, climbing, skiing, fishing, driving, baseball

ROCKBROS Photochromic Sports Sunglasses Mens Cycling Glasses MTB Biking Sunglasses, with Removable Elasctic Band is a light-weight, comfortable, and breathable polyester fabric that is perfect for any occasion. This ROCKBROS Photochromic Sports Sunglasses Mens Cycling Glasses MTB Biking Sunglasses, with Removable Elasctic Band product is available in many team colours, and is perfect for every type of fan.