One-K Horse Riding Helmet Defender Air Helmet Matt Black Rose Gold Size 53-54cm

The One K Defender Air Helmet offers the latest in safety technology, providing the utmost in comfort and a bespoke fit. The most adjustable hat on the market, it's perfect for all shapes and sizes of heads. Featuring an air pump system where 3 air pockets concealed in the liner are inflated using the hidden air pump until you get the right fit.