1. COMPATIBLE WITH MOST PEOPLE: Take these 2 must-have ski for outdoor sports with your family and friends Thanks to their medium size and elastic adjustable shoulder straps, they are suitable for children (boys and girls) from 10 years old, teenagers, youth, men and women with or without helmets. 2. Suitable for all conditions: suitable for use when you are on a snowboard or snowboard, skiing, skating, climbing, riding a motorcycle/mountain biking, skydiving, bungee jumping, playing shooting games, doing experiments in the lab, working on a construction site Or snowball fights. Get rid of the fear of wind, dust, cold air, snow, glare and harmful lights 3. Functional Lenses: No need to worry about harmful rays or strong sunlight reflections On sunny ski days, polychromatic lenses enhance your vision and relieve your eyestrain as they block a lot of UV rays and filter out the brightness of the snow, making your outings more enjoyable 4. SAFE AND COMFORTABLE: With a non-toxic, stretchy ABS frame and durable, impact-resistant PC lenses to protect you from bright sunlight, strong winds and thick snowfall, the can protect your eyes from almost all directions. In addition, the thick and soft sponge layer on the frame can fill around the eye socket, so you won't feel tired, uncomfortable and irritated after wearing it for a long time