• One K Defender Glamour Chrome Stripe Helmet Navy | SPECIAL ORDER

One K Defender Glamour Chrome Stripe Helmet Navy | SPECIAL ORDER


or make 4 interest-free payments of $167.48 fortnightly with Afterpay More info

This item is by SPECIAL ORDER only, please allow 4-6 weeks for delivery.

Please ensure you have read and agree to our T&C's and Returns Policy as returns are limited to faulty goods only on Special Orders. 

Please ensure you have selected both the Shell Size & Liner Size.

If the product is 'Unavailable', it means you have selected an incompatible Shell & Liner combination. 

The popular One K™ Defender Riding Helmet with an eye-catching sparkling stone top panel and chrome stripes. 

The Defender features: 

  • A matte Polycarbonate and Advanced ABS Composite outer shell
  • Injection molded shell design
  • Washable, replaceable, quick-dry, moisture wicking and anti-microbial liner
  • Stainless steel mesh
  • Comfort padded harness with synthetic suede lining, hook & loop adjustment, and Fastex buckle
  • Two side, two front, one back, and two centre stripe vents.

One K™ Horse 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. 

ASTM F1163 (SEI marked) - approved to current 2019 Australian standards. 

The base shells for the Defender are Small, Medium and Large.

- Use the Small size helmet shell with a, Extra Small liner to change the fit to an  Extra Small.

- Use the Medium size helmet shell with a Small liner to change the fit to a Small.

- Use the Large size helmet shell with an XLarge liner to change the fit to an XLarge.

Please note, the Small Shell is only compatible with XS & S Liners. The Medium Shell is only compatible with S & M Liners and the Large Shell is only compatible with L & XL  Liners.

Spare liners can also be purchased here.



53-54CM (6 3/8 – 6 1/2)


57-58CM (7 1/8 – 7 1/4)


55-56CM (6 5/8 – 6 3/4)


59-60CM (7 3/8 – 7 1/2)