| Men's Sizes | Waist | Inseam (all other) | Inseam (BP350) | Inseam (BPU350) | Inseam (BEP31) |
| Small | 28-30 | 31" | 28" | 37" | 24" |
| Medium | 32-34 | 33" | 30" | 37" | 24" |
| Large | 36-38 | 33" | 30" | 37" | 24" |
| XL | 40-42 | 34" | 31" | 37" | 24" |
| XXL | 44-44 | 34" | 31" | 37" | 24" |
| Youth Sizes | Waist | Inseam (all other) | Inseam (YBP350) | Inseam (YBPU350) | Inseam (YBEP31) |
| XS | 21-22 | 23" | 14.5" | ||
| Small | 23-24 | 24" | 23" | 33" | 16.5" |
| Medium | 25-26 | 25" | 24" | 33" | 18.5" |
| Large | 27-28 | 26" | 25" | 33" | 20.5" |
| XL | 29-30 | 27" | 26" | 33" | 21.5" |
| XXL | 31-32 | 28" | 27" | 33" |
| Women's Sizes | Waist | Inseam |
| XS | 23-24 | 21" |
| Small | 25-26 | 21.5" |
| Medium | 27-29 | 22" |
| Large | 30-32 | 22.5" |
| XL | 33-35 | 23" |
| XXL | 36-38 | 23.5" |
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