ARAI SK-6 SNELL K2015 APPROVED KARTING HELMET The SK-6 is largely based on the GP-6 model but is specially developed for kart use with a slightly larger opening aperture as needed in the fierce kart competition. ClC Complex Laminate Construction outer shell with a 3 mm thick 2D visor with F1 aluminium visor system prepared for the use of tear-offs. 4-point upper ventilation system with large closeable twin intake scoops en closeable Double-Delta2 bridged exhaust vent. Comfortable washable lining material for better ventilation at karting speeds.