SUNVP Lightweight Sport Bicycle Helmet with Detachable Visor, Padded & Adjustable, Mountain Road Bike Helmet for Adults MTB Integrated reinforcing ABS skeleton for a solid construction: When something against your head, the skeleton can hold the helmet together in order to give a more safe cycling experience. 25 Massive AIR-VENTS that wouldn't be possible with pure foam and which provide excellent AIRFLOW from the front to the back. You also can feel cool when cycling in the hot weather. Removable visor to keep the sun off your face and out of your eyes. Washable internal pads and chin pad can absorb sweat also help you to keep your helmet clean. Adjustable Rotary Internal Regulator: Theres an adjustable rotary internal regulator at the back of the helmet, so that you can adjust it to fit your head. Lightweight and Comfortable: It is very light, weights only 275g. So its very comfortable when you wearing it with high safety performance.