More helmet styles Welcome to contact me Bicycle Helmet This high-quality, safe helmet combines the advantages of a professional racing helmet and is sure to impress. For maximum safety, the EPS system in this helmet incorporates structural reinforcements. This provides maximum protection while offering optimal ventilation and comfort. This design allows for larger vents without compromising safety. Because it's ponytail-friendly, this helmet is a great choice for riders with long hair. Head circumference: Medium 52-58cm ：59-62cm Weight: Approximately 288g With its optimal ventilation, high safety, and exceptional comfort, this helmet is the ideal helmet for entry-level competition cycling.