Viper Size Calculator
Please enter measurements in mm or inches and then select unit.
| Boot Size | Length Range | Width Range |
|---|---|---|
| 110x110 | 100 - 105 | 100 - 105 |
| 115x110 | 105 - 110 | 100 - 105 |
| 120×110 | 110 - 115 | 100 - 105 |
| 115x115 | 105 - 110 | 105 - 110 |
| 120x115 | 110 - 115 | 105 - 110 |
| 125×115 | 115 - 120 | 105 - 110 |
| 115x120 | 105 - 110 | 110 - 115 |
| 120x120 | 110 - 115 | 110 - 115 |
| 125×120 | 115 - 120 | 110 - 115 |
| 115x125 | 105 - 110 | 115 - 120 |
| 120x125 | 110 - 115 | 115 - 120 |
| 125×125 | 115 - 120 | 115 - 120 |
| 120x120 | 110 - 115 | 110 - 115 |
| 125x120 | 115 - 120 | 110 - 115 |
| 130×120 | 120 - 125 | 110 - 115 |
| 120x130 | 110 - 115 | 120 - 125 |
| 125x130 | 115 - 120 | 120 - 125 |
| 130x130 | 120 - 125 | 120 - 125 |
| 125x125 | 115 - 120 | 115 - 120 |
| 130x125 | 120 - 125 | 115 - 120 |
| 135×125 | 125 - 130 | 115 - 120 |
| 125x130 | 115 - 120 | 120 - 125 |
| 130x130 | 120 - 125 | 120 - 125 |
| 135×130 | 125 - 130 | 120 - 125 |
| 135×135 | 125 - 130 | 125 - 130 |
| 140×130 | 130 - 135 | 120 - 125 |
| 140×135 | 130 - 135 | 125 - 130 |
| 140×140 | 130 - 135 | 130 - 135 |
| 145×145 | 135 - 140 | 135 - 140 |
| 150×150 | 140 - 145 | 140 - 145 |
Note: These are estimations and not a guarantee that the boot will fit. The best way to ensure a good fit is to use our free expert sizing service.
