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Troy Lee Designs Helmet Size Chart
Head Circumference | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 |
Helmet Model | Helmet Size |
A1 | Youth, and XS | |
| S | M / L | XL / XXL | |
A2 | | XS / S | |
| S | M / L | XL / XXL | |
Stage | | XS / S | M / L | XL / XXL | |
D3 | | XS | S | M | L | XL | XXL |
D4 | | XS | S | M | |
| L | XL | XXL | |