For the best fit, measure from center of the knee to the top of the foot.
| Series | Leg Guard Size | Lower Leg |
|---|---|---|
| Mach Pro, Velo Pro, Mach, Velo 2.0 | Large/Adult (Ages 15+) | 16 1/2" |
| Medium/Intermediate (Ages 12-15) | 15 1/2" | |
| Youth/Small (Ages 12 & Under) | 13 3/4" | |
| Renegade | Adult (Ages 15+) | 16" |
| Intermediate (Ages 12-15) | 14 1/2" | |
| Youth (Ages 12 & Under) | 13" | |
| Players 3 | Youth (Ages 12 & Under) | 13" |
| Junior (Ages 9 & Under) | 13" | |
| T-Ball (Ages 6 & Under) | 11 1/2" | |
| Velo Fastpitch | Large | 15 1/2" |
| Medium | 15 1/2" | |
| Small | 13 3/4" | |
| Storm Fastpitch | Youth (12 & Under) | 13" |