ONE K™ Defender Matte Helmet

Description The Defender helmet is one of the most popular helmets for riders of many disciplines. It is the perfect synergy between advanced technology and aesthetically pleasing design and fits a variety of head shapes*. Polycarbonate and Advanced ABS Composite outer shell Comfort padded harness with synthetic suede lining, hook & loop adjustment, and Fastex buckle Washable quick-dry, moisture wicking, anti-microbial liner Two side, two front, one back, and two center stripe vents Certified to ASTM standards *Helmet Shape: Regular– Is shaped for a head which has almost identical front-to-back and side-to-side measurements - most riders choose this regular shape  Long Oval – Is shaped for a head which is longer front-to-back (from forehead to the back of the skull) than it is side-to-side (ear to ear) Sizing X-Small 51-52CM (6 3/8 – 6 1/2) Large 57-58CM (7 1/8 – 7 1/4) Small 53-54 cm (6 5/8 – 6 3/4) X-Large 59-60cm (7 3/8 – 7 1/2) Medium 55-56 cm (6 7/8 – 7) XX-Large 61-62cm (7 5/8 – 7 3/4)