North Shore Saddlery

One K Defender Riding Helmet

One K

SKU: 468259-XSRR


The One K Defender Riding Helmet features a matte Polycarbonate and Advanced ABS Composite outer shell; injection molded shell design; washable quick-dry, moisture wicking, 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 center stripe vents. One K™ 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. Certified to ASTM standards.


  • Polycarbonate and advanced ABS composite outer shell is tough but lightweight
  • Offered in Regular/Round and Long Oval 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
  • Lots of vents to keep you cool and dry
  • ASTM/SEI F1163-15 certified

Helmet Sizes: XS, S, M, L, XL, XXL

Helmet Shape: Regular/Round, Long Oval

Regular/Round: is shaped for a head which has almost identical front-to-back and side-to-side measurements.

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).

Color: Black Matte

FREE Shipping!





Our brands