The One K MIPS Jr CCS Helmet in Junior sizing for smaller riders! Features a matte Polycarbonate and Advanced ABS Composite outer shell; injection molded shell design; washable quick-dry, moisture-wicking liner; stainless steel mesh; comfort padded harness with synthetic suede lining, hook & loop adjustment, and Fastex buckle; two front, one back, and two center stripe vents. The Jr helmets comprise a smaller internal helmet diameter, a thicker padded liner, and a smaller chin strap which is 15mm shorter in length than the adult sizes. One K™ Helmets boast the perfect synergy between advanced technology and aesthetically pleasing design. Certified to ASTM standards. Matte polycarbonate and advanced ABS composite outer shell Injection molded shell design Washable, quick-dry, moisture-wicking liner Stainless steel mesh Comfort padded harness with synthetic suede lining Hook & loop adjustment and Fastex buckle Multiple vents One K Junior CCS Helmet with MIPS - Black