The Bell Ringer Bicycle Helmet in black and red is a stylish and functional helmet designed for road bike cycling. With a circumference of 54-61cm, this adult-size helmet is adjustable to ensure a comfortable fit. Made of polycarbonate material, it features vents for breathability during summer, fall, and spring rides. The helmet is branded by Bell, known for quality cycling gear, and is suitable for both men and women cyclists. Adjust the helmet to fit securely and confidently hit the road in style. Please review photos. Thank you.