All RED Helmets are made with anon frames, engineered with helmet compatibility as an integral design consideration. RED works to create a proper fit, eliminate gaper gap, and maximize ventilation airflow for the goggle/helmet interface, so you can ride on without looking back. This RED Riot Skate Helmet is in collaboration with Alien Workshop. A quality helmet. CPSC Certified. Available in colorways as seen below. RED detailing throughout.