Rudy Project Sterling Helmet Fluor Yellow Matte Black Cycling Helmet 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 Project Sterling Helmet Fluor Yellow Matte Black Cycling Helmet Rudy Proyect's Sterling helmet is lightweight and comfortable. - 18 vents - Great ventilation Fastex System - Free Pad closure buckle - Comfortable and interchangeable Bug Stop padding - Padding with protective net Comfortable contour for the head - Removable RSR7 adjustable AR retention system - Adjustable head contour Visor - Integrated and removable. Sizes: SM: 54-58cm L: 59-61cm