FOX Mainframe MIPS MTB Helmet Black
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Key Features
- MIPSâ„¢ technology reduces rotational forces during a crash
- Extended coverage for enhanced head protection
- Optimized venting for efficient cooling and airflow
- Removable, washable moisture-wicking liner for comfort
- Integrated fit system for a lightweight, comfortable fit
The FOX Mainframe MIPS MTB Helmet combines style, safety, and affordability for trail riders. Featuring MIPS™ technology, it reduces rotational forces during a crash to protect your brain from impact. With extended coverage, it offers extra protection while its in-molded EPS provides efficient cooling through optimized venting. The lightweight fit system ensures comfort, while the removable and washable moisture-wicking liner keeps you cool and fresh on long rides. Whether you're tackling rough trails or cruising through technical sections, the Mainframe MIPS Helmet delivers reliable performance without breaking the bank.
FOX Helmet Sizing Chart
ADULTS HELMETS
DROPFRAME PRO
| SIZE | CM | IN |
|---|---|---|
| S | 52cm - 54cm | 20.5" - 21.25" |
| M | 54cm - 56cm | 21.25" - 22" |
| L | 56cm - 58cm | 22" - 22.875" |
| XL | 58cm - 60cm | 22.875" - 23.625" |
FLIGHT
| S | M | L |
|---|---|---|
| 20.875 - 21.25" | 21.675 - 22" | 22.5 - 22.875" |
FLUX
| XS/S | S/M | L/XL |
|---|---|---|
| 19.75 - 21.75" | 22 - 23.25" | 23.25 - 25.25" |
MAINFRAME
| SIZE | CM | IN |
|---|---|---|
| S | 51cm - 54cm | 19 - 20.5" |
| M | 54cm - 58cm | 21.5 - 23" |
| L | 58cm - 64cm | 23 - 25" |
PROFRAME
Note: The Helmet includes three spare sets of pads, in varying thicknesses, to adjust the fit.
| SIZE | CM | IN |
|---|---|---|
| S | 52cm - 54cm | 20.5" - 21.25" |
| M | 54cm - 56cm | 21.25" - 22" |
| L | 56cm - 58cm | 22" - 22.875" |
| XL | 58cm - 60cm | 22.875" - 23.625" |
RAMPAGE PRO CARBON
Note: When you first put on your new RPC, it will fit snugly and may even feel a bit too tight. With time, the helmet will adapt to your head, "break-in" , and loosen a little.
| SIZE | CM | IN |
|---|---|---|
| S | 55cm - 56cm | 21.625" - 22" |
| M | 57cm - 58cm | 22.5" - 23.875" |
| L | 59cm - 60cm | 23.25" - 23.625" |
| XL | 61cm - 62cm | 24" - 24.375" |
RAMPAGE
| SIZE | CM | IN |
|---|---|---|
| S | 55cm - 56cm | 21.625" - 22" |
| M | 57cm - 58cm | 22.5" - 22.875" |
| L | 59cm - 60cm | 23.25" - 23.625" |
| XL | 61cm - 62cm | 24" - 24.375" |
RANGER
| XS/S | M/L | L/XL |
|---|---|---|
| 19.75 - 21.75" | 21.75 - 23.25" | 23.25 - 25.25" |
SPEEDFRAME
| SIZE | CM | IN |
|---|---|---|
| S | 51cm - 55cm | 20.125" - 21.625" |
| M | 55cm - 59cm | 21.625" - 23.25" |
| L | 59cm - 63cm | 23.25" - 24.75" |
YOUTH HELMETS
| SIZE | CM | IN |
|
OS |
48 – 52 cm |
18.90 – 20.47" |
YOUTH RAMPAGE
| SIZE | CM | IN |
|
YS |
49 – 50 cm |
19.3 – 19.7" |
|
YL |
51 – 53.6 cm |
20.1 – 21.1" |
Fox Racing is the global leader in motocross and mountain biking gear and apparel. They outfit the world’s best competitive athletes and enthusiasts with products that combine innovation and style, rooted in the brand's original competitive motocross spirit.
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