Giro air attack shield helmetour first air attack was a revelation in styling and performance for all types of ridingfrom track to triathlon road and mountain biking to cyclocross inspired by the original the new generation air attack fine tunes the design for a lightweight compact and extremely efficient aerodynamic shape that slices through air add in the comfort adjustability and enhanced airflow of the roc loc air system and the air attack re imagines what your helmet can be featu