Cap Charles Owen Pro II with removable cover. The Charles Owen Pro II helmet is one of the cap for cross country more breathable and protective currently available on the international market. The low profile of Pro II model keeps your head safe and cool. When combined with the Charles Owen helmet cover, the ventilation slots located on the front and back of this helmet allow air to flow, while the silver ions provide an antimicrobial protection against sweat and odor. Available in various colors, versions with silver or gold metallic finish also thermo reflective function. Safety standards for PAS015 and BSEN1384; certified by SEI to ASTM F1163.