One K English Riding Helmets boast the perfect synergy between advanced technology and aesthetically pleasing design. With enough features to appeal to those seeking everything a helmet could possibly offer, wrapped in a package that traditionalists can appreciate, One K has the best of both worlds. A helmet is only safe, if it fits correctly. It is always better to be fit by a professional than it is to purchase a helmet on line. Matte polycarbonate and advanced ABS composite outer shell Injection molded shell design Washable, quick-dry, moisture wicking, anti-microbial removable liner Stainless steel mesh and chrome stripe accent Comfort padded harness with synthetic suede lining Two side, two front, one back, and two center stripe vents Safety standards: certified to ASTM standards. One K Defender Chrome Stripe Helmet