Normal/Round liner for OneK helmets.
Each liner covers two classic helmet sizes (cm) and is easy to remove and wash. The table below indicates which liner fits which shell.
OneK's liners are made of polyester and sit comfortably against the head without chafing. They are well ventilated with mesh on the sides to ensure comfort during both short and long rides.
| Liner size | Cm | Shell size |
| XXXS | 47-48 | 0 (Small) |
| XXS | 49-50 | 0 (Small) |
| XS | 51-52 | 0/1 (Small/Medium) |
| S | 53-54 | 0/1 (Small/Medium) |
| M | 55-56 | 1/2 (Medium) |
| L | 57-58 | 2 (Large) |
| XL | 59-60 | 2 (Large) |
| XXL | 61-62 | 2 (Large) |
Normal/Round liner for OneK helmets.
Each liner covers two classic helmet sizes (cm) and is easy to remove and wash. The table below indicates which liner fits which shell.
OneK's liners are made of polyester and sit comfortably against the head without chafing. They are well ventilated with mesh on the sides to ensure comfort during both short and long rides.
| Liner size | Cm | Shell size |
| XXXS | 47-48 | 0 (Small) |
| XXS | 49-50 | 0 (Small) |
| XS | 51-52 | 0/1 (Small/Medium) |
| S | 53-54 | 0/1 (Small/Medium) |
| M | 55-56 | 1/2 (Medium) |
| L | 57-58 | 2 (Large) |
| XL | 59-60 | 2 (Large) |
| XXL | 61-62 | 2 (Large) |
