OMP Karting Neck Collar in expanded polyurethane with differentiated density. Stiff in the rear part, soft in the front part in order to allow forward movements of the head. Cordura covering, the part in contact with the neck is in a soft-knitted fabric material. F de K 1997 homologation.
TO ENSURE AN ACCURATE FIT, use this chart to order your correct helmet size. Carefully measure around your head, above the ears. Take the measurement, in inches or centimeters, referring to the sizing chart below for your correct hat/helmet size. Helmet must fit properly for optimum performance. Don't guess your size. Helmet must be securely and snugly fastened before engaging in any activity.