Fox Clothing Dropframe Pro Mips MTB Mountain Bike Helmet

The Fox Dropframe Pro Helmet redefines what an open-face MTB helmet can be superlight and extremely comfortable, it's the choice for trail riders seeking more coverage, more confidence, and more fun. This game-changing open-faced enduro helmet features MIPS™, our dual-density Varizorb™ EPS liner, and increased coverage for the ears, jaw, and back of the head. This MTB helmet provides the most complete coverage we offer in an open-face helmet.
Key Features:
- Proven MIPS™ impact protection system reduces rotational forces in a crash
- Dual-density Varizorb™ EPS liner is meant to provide improved impact protection
- 8 Big Bore vents and 7 exhaust vents keep you cool and aid in moisture management
- Fixed visor is positioned perfectly for maximum air flow
- Fidlock® SNAP helmet buckle provides quick entry and exit
- Removable antimicrobial and moisture wicking liner
- Includes additional pads for a custom fit
Occasionally, without notice, manufacturers change product design and/or specifications.

Fox Dropframe Pro Size Guide
Fox Dropframe Pro helmets are available in two styles. Choose the size chart below that matches the style of Dropframe Pro helmet you wish to purchace.
Size Chart for Dropframe Pro Models with Covered Ear Sections

Size* |
Head Circumference |
S |
51 - 55 cm |
M |
55 - 59 cm |
L |
59 - 62 cm |
*With these models sizing can be adjusted with cheek Pads that come with each Dropframe Pro helmet: 15 mm (included), 20 mm (installed), 25 mm (included)
Size Chart for Dropframe Pro Models with Open Ear Sections
Size |
Head Circumference |
S |
52 - 55 cm |
M |
54 - 56 cm |
L |
56 - 58 cm |
XL |
58 - 60 cm |
How to measure
To find the circumference of your head, place a tape measure in the centre of your forehead, wrap it around above your ears and around the back of your head. If there's a slight difference between two different sizes, always go for the tighter size.

Once you know the circumference of your head, see the available sizes shown on the product and select the appropriate one.
The majority of cycling helmets have some form of adjustment for size, usually in the form of a ratchet adjuster to tighten or loosen the straps, some helmets will also come with different thickness pads to further customise the fit.
Read our clothing size guide for more information on sizing.
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