【All-Around Head Protection & Integrated Molding Technology】This bicycle helmet has passed European CE certification (EN1078) for excellent safety. It features a design that completely covers the head, with a sturdy PC shell on the surface and high-density EPS for shock absorption inside, making it suitable for city riding. The integrated molding technology protects the head and effectively reduces the impact force during a collision. Reflective stickers have been added to the adjustment dial for safer night riding. 【Excellent Ventilation & Ultra-Lightweight Design】Designed based on aerodynamics, the 16 ventilation holes allow air to pass through easily, improving airflow inside the sports helmet and effectively reducing air resistance while ensuring heat dissipation. The ultra-lightweight design of approximately 251g provides a comfortable fit, reduces neck strain, and prevents fatigue. It adopts a sporty, streamlined, and stylish design, making it an attractive helmet for both men and women. 【One-Hand Adjustable & Secure Fit】This improved bike helmet fits the round shape of Asian heads. You can adjust the helmet's tightness within a range of 57-62cm by simply turning the dial, which can be adjusted in three stages up and down. It comes with a chin strap that can be attached and detached with one touch, and you can also adjust the area around your face. It is designed based on ergonomics to achieve a comfortable fit. 【Sun-Shading Goggles - Protect Eyes and Face】The goggles protect your eyes from the sun, prevent discomfort, and shield your face from tree branches, light rain, wind, and dust. They are magnetic, so you can easily remove them when not needed to ensure visibility. By attaching them upside down to the helmet, you can ride along the river without insects flying into the helmet. The wide goggles can be worn even by those with nearsightedness. (Note: They may not be compatible depending on the shape of the glasses.)