Equipped with pro-level technology but designed with the privateer in mind, the Bell 4Forty Air Mips is the first choice for your next trail helmet.
Size Guide
| Size | S | M | L |
|---|---|---|---|
| Head Circumference | 20 1/2 - 22" | 21 5/8 - 23 1/4" | 22 3/4 - 24 3/8" |
| Hat Size | 6 1/2 - 7" | 6 7/8 - 7 3/8" | 7 1/2 - 7 3/4" |
| Size | S | M | L |
|---|---|---|---|
| Head Circumference | 20 1/2 - 22" | 21 5/8 - 23 1/4" | 22 3/4 - 24 3/8" |
| Hat Size | 6 1/2 - 7" | 6 7/8 - 7 3/8" | 7 1/4 - 7 3/4" |
| Size | S | M | L | XL |
|---|---|---|---|---|
| Head Circumference | 20 1/2 - 22" | 21 5/8 - 23 1/4" | 22 3/4 - 24 3/8" | 24 - 25 5/8" |
| Hat Size | 6 1/2 - 7" | 6 7/8 - 7 3/8" | 7 1/4 - 7 3/4" | 7 5/8 - 8 1/8" |
| Size | XS | S | M | L |
|---|---|---|---|---|
| Head Circumference | 18 7/8 - 20 1/8" | 20 1/2 - 21 1/4" | 21 5/8 - 22 1/2" | 23 1/4 - 23 5/8" |
| Hat Size | 6 - 6 3/8" | 6 1/2 - 6 3/4" | 6 7/8 - 7 1/8" | 7 3/8 - 7 1/2" |
Make sure the helmet fits snuggly, but not uncomfortably so, and sits low enough to protect the forehead without hindering your vision. Once you've got the right size, you can adjust the fit.
HEAD CIRCUMFERENCE — Wrap a soft measuring tape around your head, keeping it level from front to back. Note the measurement and use the size charts as a guide.
