1. Bicycles are widely used, from young people commuting to school to adults traveling for work. The more time and frequency you ride, the higher the risk of accidents. Wearing a helmet is crucial for protection. 2. Simple and sleek design: Featuring an unclassified ventilation system, 18 airflow vents allow ample air to circulate from the front while expelling cool air from the rear. The large ventilation openings reduce discomfort and stiffness. This stylish helmet is ultralightweight and comfortable for extended wear. 3. Lightweight softshell model: Through meticulous material selection, we've achieved both exceptional strength and remarkable lightness. Weighing just 276g, it minimizes head strain and ensures comfort during prolonged use. 4. impact resistance: ISAK helmets utilize onepiece molding technology, ensuring seamless integration to prevent separation of the protective layer and shell upon impact, enhancing safety. The polycarbonate resin outer shell disperses initial external forces during collisions. The inner shockabsorbing Styrofoam cushions falls, safeguarding the rider's head from harm.