Made from a composite poly-alloy for light weight and strength Removable and adjustable (55 mm) screw on visor Eight points of ventilation with chin, side, forehead, top and rear ventùfour intake vents and eight exhaust vents Molded in goggle guides on eyeport trim Replaceable chin vent for easy replacement or cleaning D-ring chin strap retention system Cut out on shell sides to accommodate most neck brace designs. HELMET FX-15 MATT BLK MD