
Size guide
Enter your measurements, we'll give you your size. Helmets, gloves, boots, suits, HANS.
Choosing the right size is a matter of safety before it is a matter of comfort. All measurements come from the official ZAMP size charts. Enter your measurement, and we will give you your size.
Your head circumference
Use a soft measuring tape just above your eyebrows and around the widest part of the back of your head.
Adult helmets
| Size | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| Head circumference | 54 cm | 56 cm | 58 cm | 60 cm | 62 cm | 63 cm | 64 cm |
Child helmets
The RZ-42Y CMR and RZ-48Y CMR are sized directly by head circumference in centimeters: 52, 54, 56, 57 and 59 cm.
Your hand circumference
Measure around your hand, just behind the knuckles, excluding the thumb. Measure both hands and use the largest measurement.
Adult gloves
| Size | XXS | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|---|
| Hand circumference | 17.75 | 19 | 21 | 21.5 | 22.5 | 23.5 | 25.5 | 28 |
Child gloves
| Size | S | M | L |
|---|---|---|---|
| Hand circumference | 16.5 cm | 17.75 cm | 19 cm |
Our boots are listed in European men's sizes.
| Men's EU size | 39 | 40 | 41 | 42 | 43 | 44 |
|---|---|---|---|---|---|---|
| Men's US size | 6 | 7 | 8 | 9 | 10 | 11 |
| Women's EU size | 41 | 42 | 43 | 44 | 45 | 46 |
Fitted cut. Body measurements in centimeters.
| Size | XS | S | M | L | XL | 2XL | 3XL |
|---|---|---|---|---|---|---|---|
| EU Size | 46-48 | 48-50 | 52-54 | 56-58 | 60-62 | 64-66 | 68-70 |
| Chest circumference | 86 | 98 | 106 | 114 | 122 | 130 | 140 |
| Waist circumference | 78 | 88 | 98 | 108 | 116 | 126 | 136 |
| Hip circumference | 89 | 100 | 107 | 114 | 121 | 129 | 139 |
| Torso length | 147 | 154 | 160 | 165 | 173 | 175 | 178 |
| Sleeve length | 73 | 80 | 86.5 | 93 | 97.5 | 104 | 109 |
| Inseam | 80 | 82 | 82.5 | 85 | 88 | 90 | 92 |
Size
Based on your neck circumference.
| S | less than 38 cm |
|---|---|
| M | 38 to 45.5 cm |
| L | more than 45.5 cm |
Angle
Based on your driving position.
| 10° | Very upright, leaning forward · rally |
|---|---|
| 20° | Upright sitting · sedan, GT, rally |
| 25° | Upright sitting · junior and female drivers |
| 30° | Semi-reclined · single-seaters and prototypes |
| 40° | Reclined · some single-seaters |






