The One K Defender Air Glitter 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.
- Genuine Swarovski crystals
- Quick Dry, Moisture Wicking and Anti-Microbial liner
- Matte outer shell
- PAS015, ASTMF, EN1384 British Kite Mark






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