One K Defender Matte Helmet

One K Defender Matte Helmet

One K™ Defender riding helmets boast the perfect synergy between advanced technology and aesthetically pleasing design. This helmet features a polycarbonate and advanced ABS composite outer shell that’s tough but lightweight with a modern matte finish. It’s offered in both an oval shape and a round shape so that you can find the perfect fit for your head. You’ll love that the liner is moisture wicking, quick drying, anti-microbial, and washable to keep you cool, dry, and comfortable. Plus, the harness is padded for comfort and lined with easy-to-care-for synthetic suede to keep you as comfortable as you are stylish. It even has a Fastex buckle that makes taking it quick and easy to take on and off. Additionally, you’ll have plenty of ventilation with two side, two front, one back, and two center stripe vents for a total of seven vents. Last but not least, this helmet is ASTM/SEI F1163-15 certified, so you can have peace of mind that your head is in good heads. With enough features to appeal to those seeking everything a horseback riding helmet could offer, wrapped in a stylish package that traditionalists can appreciate, One K™ has the best of both worlds.

Additional One K Helmet Liners also available!


CAUTION: Safety equipment must fit properly and be appropriately secured with manufacture approved parts only. Altering or adding to safety equipment voids warranty and can result in injury. As a safety precaution, inspect all products prior to each use.

Polycarbonate and advanced ABS composite outer shell is tough but lightweight

Offered in oval and round shapes for a great fit

Inner lining is anti-microbial, moisture wicking, quick drying, and washable

Comfort padded harness with synthetic suede lining and Fastex buckle is comfortable, easy to use, and stylish

ASTM/SEI F1163-15 certified

Lots of vents to keep you cool and dry

Stylish design looks great in the ring

Key Specifications


Oval: Yes

Round : Yes