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 / XS  
  S M / L XL / XXL  
A2   XS / S  
  S M / L XL / XXL  
A3   XS / 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