The One K Defender Matte Helmet is sure to keep you cool with two side, two front, one back, and two center stripe vents! This all-around stylish helmet is great for both schooling and showing in a number of different disciplines!
Features - Polycarbonate and Advanced ABS Composite outer shell with an injection molded shell design
- Inner lining is anti-microbial, moisture wicking, quick drying, and washable
- Stainless steel mesh
- Comfort padded harness with synthetic suede lining and Fastex buckle
- ASTM/SEI F1163-15 certified
Sizing Chart | Helmet Size | X-Small | Small | Medium | Large | X-Large | XX-Large |
| CM Measurements | 51-52 cm | 53-54 cm | 55-56 cm | 57-58 cm | 59-60 cm | 61-62 cm |
| Inch Measurements | 6 3/8'' - 6 1/2'' | 6 5/8'' - 6 3/4'' | 6 7/8'' - 7'' | 7 1/8'' - 7 1/4'' | 7 3/8'' - 7 1/2'' | 7 5/8'' - 7 3/4'' |
One k Helmets
