Twin density EPS liner capabilities extensive intake and exhaust ventilationInjection molded polycarbonate/ABS shellRemovable/washable moisture wicking ease and comfort linerHi-stream mouth vent with filter for air intakeFlexible rubber nose pieceFully adjustable..… Integrated stretch panels improve rider mobilityPre-curved form for optimum comfortDurable stitching throughoutAbrasion ... https://bullx828att7.idblogz.com/profile