| Unit | Sizes | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| US & Canada | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| UK | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 |
| Europe | 35 | 35 | 35-36 | 36 | 36-37 | 37 | 37-38 | 38 | 38-39 | 39 | 39-40 | 40 | 40-41 | 41 | 41-42 | 42 | 42-43 |
| Inches | 8.2 | 8.3 | 8.5 | 8.8 | 8.9 | 9.1 | 9.3 | 9.4 | 9.5 | 9.7 | 9.9 | 10 | 10.2 | 10.3 | 10.5 | 10.7 | 10.9 |
| Centimeters | 20.8 | 21.3 | 21.6 | 22.2 | 22.5 | 23 | 23.5 | 23.8 | 24.1 | 24.6 | 25.1 | 25.4 | 25.9 | 26.2 | 26.7 | 27.1 | 27.6 |
The Viper shoe has a twin-sole design which provides maximum flexibility specifically designed for high performance marching. The leather upper, cushioned insole, padded tongue, ankle collar, and heel cup provide superior comfort and support. Worn by many top US drum corps, colleges, and high school marching bands.