One K Defender Jr Helmet
“Love. Love. Love. this tack store. employees are always helpful and they carry a wide selection of new items as well as consignment items. I can't say enough good things!”
Finally, a One K for smaller riders. Now in Junior sizing, they offer the same protection, quality and comfort as the current One K range, but with smaller internal helmet diameter, a thicker padded liner, and a smaller chin strap which is 15mm shorter in length than the adult sizes.
The Defender Riding Helmet features 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.
**ASTM F1163-15/SEI Certified Helmets Certified Helmets
Helmet Shape
Regular/RoundIs shaped for a head which has almost identical front-to-back and side-to-side measurements.
Size Chart
| XSmall | 47-48cm (5 7/8 - 6) | Small | 49-50cm (6 1/8 - 6 1/4) |
| Medium | 51-52CM (6 3/8 - 6 1/2) |
**Helmet Notice, Disclaimer & Warning
All equestrian sports are inherently dangerous and involve the risk of serious injury or death. Riders using these products ride at their own risk with full knowledge of the hazards and risks associated with their activities. Helmets are designed for equestrian use only. Helmets cannot offer complete protection from injury or death to riders in case of fall, collision, impact, loss of control or otherwise. Helmets cannot protect areas of the head that are not covered. Helmets offer no protection against injuries involving forces other than impact.
CAUTION: Helmets must fit well and all retention straps must be securely fastened. Helmets are constructed so that the energy of an impact may be absorbed through partial destruction of the helmet. Helmets that suffer an impact should be destroyed and replaced. The protective qualities of helmets may be compromised by prior impact, age, use and many common substances. Always follow the manufacturers recommendations before applying cleaning agents, paints, or adhesives.
Equine Exchange disclaims any responsibility for injuries or death incurred while wearing any of the helmets offered for sale.Representations regarding testing results, equipment ratings, product specifications, ASTM and/or SEI standards, and the adequacy of all such standards and designations are made solely by the products manufacturer. Equine Exchange does not warrant or confirm the representations of the manufacturers. Equine Exchange makes no representations expressed or implied regarding the fitness of these products for any particular purpose nor the extent to which the products protect riders from injury or death.By purchasing any of the helmets offered for sale and using it in an equestrian sport, the purchaser AGREES FREELY AND VOLUNTARILY TO ASSUME ALL RISKS RELATED TO EQUESTRIAN SPORTS, including the risk of personal injury, damage, death or property damage. Further, to the maximum extent permitted by law, the purchaser does release Equine Exchange from any and all responsibility or legal liability related to purchasers participation in equestrian activities.
