N21
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 61 |
* all dimensions in cm
N21 Visor
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 61 |
* all dimensions in cm
N33 Evo
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 59/60 |
| XL | 61/62 |
| XXL | - |
| 3XL | - |
* all dimensions in cm
N40.5
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 59/60 |
| XL | 61/62 |
| XXL | 63/64 |
| 3XL | - |
* all dimensions in cm
N40.5 GT
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 57/58 |
| L | 59/60 |
| XL | 61/62 |
| XXL | 63/64 |
| 3XL | - |
* all dimensions in cm
N53
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 61 |
| XXL | 63 |
| 3XL | 64 |
* all dimensions in cm
N60.5
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 63 |
| 3XL | - |
* all dimensions in cm
N70.2 GT/X
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
N87/Plus
| Order size | Head circumference* |
|---|---|
| XXS | 53/54 |
| XS | 55 |
| S | 56 |
| M | 58/59 |
| L | 60/61 |
| XL | 62 |
| XXL | 63 |
| 3XL | 64 |
* all dimensions in cm
N90.2
| Order size | Head circumference* |
|---|---|
| XXS | 53/54 |
| XS | 55 |
| S | 56 |
| M | 58/59 |
| L | 60/61 |
| XL | 62 |
| XXL | 63 |
| 3XL | - |
* all dimensions in cm
N100.5/Plus
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58/59 |
| L | 60/61 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
N100-6
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
X-403 GT
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
X-502
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
X-661
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58/59 |
| L | 60/61 |
| XL | 62 |
| XXL | 64 |
| 3XL | - |
* all dimensions in cm
X-803/RS/Carbon
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | - |
* all dimensions in cm
X-804/RS/Carbon
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
X-903/Carbon
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
X-1004
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
X-1005/Carbon
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
N120-1
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
N90-3
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 63 |
* all dimensions in cm
N80-8
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
N60-6/Sport
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
X-552/Carbon
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 64 |
| 3XL | 65 |
* all dimensions in cm
N30-4 T/VP
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 63 |
* all dimensions in cm
Grex helmets
| Order size | Head circumference* |
|---|---|
| XXS | 54 |
| XS | 55 |
| S | 56 |
| M | 58 |
| L | 60 |
| XL | 62 |
| XXL | 63 |
* all dimensions in cm
Grex kids helmets
| Order size | Head circumference* |
|---|---|
| 3XS | 50 |
| XXS | 52 |
| XS | 54 |
| S | 56 |
* all dimensions in cm