Welcome to the official European website for One K riding helmets!
At Unamari, we are proud to offer the full range of One K riding helmets directly on our webshop.

One K – Riders' Preferred Helmet
One K is known for its exceptional combination of safety, style, and comfort. Unamari is the official distributor of One K riding helmets in Europe, and we actively contribute to the design process. Our helmets are designed with a passion for detail and a commitment to delivering products that meet the needs of even the most demanding riders.

Riding Helmets for Every Occasion
At One K, we are dedicated to providing helmets that not only look fantastic but also perform optimally in all conditions. We understand that a helmet is more than just protection—it’s part of a rider's identity. That's why we offer helmets in matte, glossy, and shimmer finishes to suit every taste.
Our Convertible models allow you to swap out various components, making it easy to adapt your helmet for both training and competitions without needing to invest in multiple helmets. Simply switch to a Swarovski top on competition day for an extra touch of elegance. Explore all our Convertible components here.
Explore One K Helmets at Unamari
One K’s mission is to support dedicated riders in their pursuit of success.
We share your passion for riding and are committed to providing
helmets that help you achieve your goals.
Tired of compromising on safety?
Do as the elite riders do and choose One K – your head deserves the best.
Value for Money
We understand that quality and price must go hand in hand. One K riding helmets are an investment in safety and style, and we are committed to offering products that provide great value for money.
Our helmets are popular among elite riders who demand the best, but they are also accessible to the ambitious amateur looking to enhance their performance.
And if you're looking for different looks for training and competitions, you only need to invest in one OneK Convertible helmet with various accessories, rather than buying two separate helmets.
This way, you can ensure your helmet has the right fit and style without breaking the bank. That’s what we call value for money.
Timeless Design and Exceptional Comfort
What’s worse than constantly having to buy a new helmet just to keep up with the latest trends?
A OneK helmet boasts a timeless design, so you’ll always be in style.We combine visual appeal with advanced technology and the highest-quality materials to create helmets that are both beautiful and high-performing.
Our focus on customer-centered design and quality control ensures that every helmet meets our high standards. We listen to feedback from riders at all levels and incorporate their input into our design process. The result is helmets that not only look great but also provide outstanding performance and comfort.

One K Ambassadors
One K helmets are highly valued by riders around the world. Our customers, including professional elite riders, praise the helmets for their fit, style, and safety. This is also true for our team of ambassadors, who compete at different levels and in various disciplines. One of our ambassadors is national team dressage rider Anna Kasprzak, with whom we've worked for many years. She uses One K helmets daily and has this to say about them:
"I think One K helmets are brilliant for many reasons. I’ve personally designed my own helmet, and I love that I can change the top depending on my mood or style – plus, it fits perfectly and provides a sense of security!"
Showjumper Maria Mols also has great experience with One K helmets:
"I use One-K because I want a helmet with high quality and safety. I especially love the Convertible helmet, as you can design your own and easily change the look if you feel like a fresh design."