A168 048 Small/Medium (Hat size 6-7/8 ? 7-1/4) A168 049 Large/X-Large (Hat size 7-1/4 ? 7-5/8) * Modern rubberized matte finish * Durable, well ventilated ABS shell * Dual density foam padding provides protection, comfort, and ?Best Fit? * Bio-Dri moisture management padding liner