Rudy Project renews its classic Sterling helmet that has given such good performance to many cyclists. This version achieves a cooler, lighter and more comfortable design. The colors in the Sterling range are certainly an eye-catcher. Rudy Proyect's Sterling helmet is lightweight and comfortable. 18 vents - large ventilation Fastex system - Free Pad closure buckle - comfortable and interchangeable padding Bug Stop - padding with protective net Comfortable head contour - removable RSR7 adjustable AR retention system - adjustable head contour Visor - integrated and removable . Sizes: SM: 54-58cm L: 59-61cm