The One K Defender Air riding helmet is the perfect helmet if your head is not exactly round, nor exactly long oval!

You are between standard helmet sizes, or just plain hard to fit

You like to adjust the fit of your helmet throughout the day

You sometimes wear your hair up, other times down

One K Defender Air riding helmets have their Air pump system that has 3 hidden air pockets in the liner inflate. Simply depress its concealed air pump until you get the fit you want.

The Defender Air Suede equestrian riding helmet features a Chamude synthetic suede covered 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 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/SEI F1163-15 certified.

Helmet Shape

• 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 Suede
Sizes: X Small, X Small Long Oval, Small, Small Long Oval, Medium, Medium Long Oval, Large, Large Long Oval, X Large, X Large Long Oval