• BUY ONE GET TWO: Our mtb glasses come with two interchangeable lens- one is POLARIZED LENS, the other is PHOTOCHROMIC LENS. A pair of glasses can be used in different occasions, never need to buy extra glasses.
• POLARIZED LENS: UV400 protection polarized sunglasses effectively block UV rays, give you a comfortable view, restore true color, eliminate reflected light and scattered light, protect eyes .
• PHOTOCHROMIC LENS: Photochromic sunglasses change color depending on the intensity of the UV rays. Turns dark grey on sunny days and light grey on cloudy days, it will be transparent in the room or at night. This transition process helps alleviate eye fatigue from rapid light changes.
• MORE FEATURES: 1. The lower part of the glasses frame is removable to unlock stylish matching 2. Adjustable and anti-slip nose pad fits for most, we also provide a myopia lens frame for myopic people 3. The hole design on the lens prevents the glasses from fogging up.
• MULTIPURPOSE: ROCKBROS sports sunglasses are lightweight, great for eye protection, wind and dust resistant, ideal for usage by cycling, driving, hiking, fishing, running, racing, golf, climbing, trekking or other outdoor activities.