The Mesa is the perfect all around trail riding helmet. Devon-Aires famous dial fit retention system ensures a secure and comfortable fit. Six large vents provide excellent air flow and circulation. Rubberized paint coating resists scratches and chipping. Mesh vent covers keep dirt and debris out of the riders hair. Removable head pads may be washed. Fully adjustable nylon harness with quick snap buckle. Firm supportive brim. Accented with leather trimmed band in contrasting color. SEI approved to ASTM F-1163-04a standard.