Fox  MainFrame Mips Bike Helmet

$62.73Compared to $89.95*Save 30%
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This Fox trail helmet features the Mips® impact protection system and extended coverage for added safety. It also has optimized venting and channels for efficient cooling.

Color: White
Size: L
Quantity
Order by 9am PT on Dec 18 for delivery by Dec 25. Members get free holiday shipping! 
Shipping restrictions apply.

Members get an estimated $6.27 (10%) back on this item as a part of your annual .

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Features

  • Proven Mips® impact protection system reduces rotational forces in a crash by absorbing and redirecting energies and forces otherwise transmitted to the brain
  • Extended coverage for added safety
  • Optimized venting with channeled, in-molded EPS provides efficient cooling
  • Removable, washable moisture wicking liner
  • Mips® integrated fit system reduces weight and provides a more comfortable, seamless fit

Imported.

To find your size, position a tape measure just above your ears and about 1 in. above your eyebrows. Keep the tape level to measure the circumference around the largest part of your head and then find the corresponding size in the Technical specs info.
View all Fox Mountain Bike Helmets

Technical Specs

Best Use

Mountain Biking

Helmet Style

Mountain Bike

Helmet Construction

In-mold

Shell Material

42% expanded polystyrene/15% polycarbonate/14% polyamide/11% polypropylene/4% polyester

Head Circumference

L: 23.2-24.8 inches

Vents

17

Visor/Brim

Yes

Weight

L: 14.82 ounces

Gender

Unisex

Buying Advice

Reviews
3 reviews with an average rating of 2.0 out of 5 stars

0% 0 of 2 reviewers recommended

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JBC
Rated 1.0 out of 5 stars
3 months ago

Purchased on 9/2025 and helmet was made on 12/2021

Unable to rate helmet, as REI sent a 3.5 yo product. One star is for REI selling old helmets.

Spoke and Wheel
Location:Texas
Age:75 or over
Rated 4.0 out of 5 stars
3 weeks ago

Solide performance and value

Well made and comfortable and very affordable. It provides the protection of MIPS. What’s not to like.

Age:75 or over
jose
Rated 1.0 out of 5 stars
2 months ago

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