Biltwell Gringo S Helmet Plastic-Polycarbonate Checker Gloss Silver X-Large Outer shell constructed of injection molded ABS. Attractive hand painted finish. Expanded polystyrene inside shell. Detachable, hand sewn, brushed lycra lining with contrast diamond stitched quilted open cell foam cushioning. Hand sewn contrast stitching on interior BioFoam chin pad. Rugged, plated steel d-ring neck strap with adjustment strap end retainer. Rugged aluminum hinge covers and mounting hardware on injection molded, laser CNC cut polycarbonate eye port shield. Accented edging on eye port and shell. DOT certified.