Fox Speedframe RS helmet with BOA® Fit System

Review by Will Trail

Initial Impressions

The Fox  Speedframe RS is Fox’s latest premium open-face helmet, positioned at the top of their Speedframe lineup. Right out of the box, it impresses with a sleek, aggressive aesthetic and some serious tech under the hood. With the BOA® Fit System for precision adjustment and Virginia Tech 5-star rating—plus NTA-8776 e-bike certification—it’s clearly built with performance and protection in mind.

Detailed Review

The Speedframe RS sits at the top of the lineup, loaded with all the best features for riders who want the most out of their helmet.  Geared for trail, enduro, and aggressive XC riding, the Speedframe RS is ideal for riders pushing the pace on technical terrain. While I stick to a full-face lid for the bike park, this helmet handles everything short of lift-access riding with confidence.  This helmet featured matte black coloring with gloss black highlights.

The MIPS® Integra Split system combines dual-density EPS foam with a low-friction layer to reduce rotational impact forces. It’s a subtle integration that doesn’t interfere with fit or comfort, and a big reason for the helmet’s top-tier safety rating.

Fit-wise, the BOA® Fit System’s dial and lacing system stands out. It delivers micro-adjustability via a head-hugging lace and guide system that stays snug without pressure points. Four vertical fit positions further customize the cradle to your head shape. Once dialed, the helmet stays locked in and doesn’t jostle around.  The helmet’s coverage on the sides and rear provides thorough impact protection without being heavy.  I didn’t notice the helmet while riding, which is a big plus in my book.

The FIDLOCK SNAP magnetic buckle is a small upgrade that makes a big difference in ease of use. It’s glove-friendly, clicks securely with one hand and fits well around the ears.

Fox nailed the ventilation. Large intake ports and deep internal channeling move air efficiently, and I noticed a significant drop in sweat buildup—especially around my glasses, which usually fog up on climbs. I rode in temps anywhere from 50 degrees to our first 80 degree day and did not have a problem with any sweaty drops on my glasses.  The wicking Ionic+® liner is breathable, odor-resistant, and easily washable—great for high-mileage riders or warm climates.

The 3-position adjustable visor is goggle-friendly, moves with one hand, and locks solidly in place. There are integrated ports for sunglass storage, though they take a bit of practice to use.  Speaking of sunglasses, I wore several models from different companies and they all meshed well with the helmet’s dimensions.  A removable GoPro® mount under the visor is included for riders who like to document their lines.

I found the overall fit a bit generous, so if you’re between sizes, it’s worth trying on in person. That said, the BOA® Fit System system allows a secure, customizable fit.

Closing Thoughts

The Speedframe RS strikes a solid balance between lightweight comfort, high-end safety, and trail-focused features. It’s a great choice for riders who demand premium protection without going full-face. The BOA® Fit System and FIDLOCK buckle make for a fuss-free setup, while the ventilation and visor system enhance comfort and usability on long rides.  It’s not the cheapest open-face helmet out there, but the blend of safety tech, fit system, and rider-friendly features makes it a worthwhile upgrade for anyone logging serious trail hours.

Will Trail

Will grew up in Idaho (fifth generation!) where he enjoyed the outdoors, riding his bike, participated in multiple sports, and working on the family ranch from time to time.

During college at Montana Tech, he played football for a few years and worked as a wildland firefighter during the summers.  He met his future wife, Erin Trail, there and after graduating with a degree in Geophysical Engineering, they moved to Texas where he was involved with racing his Subaru WRX, camping and powerlifting.

The call of living closer to home resulted in a move to Colorado in 2011.  He now lives in the Denver metro area with Erin and their three cats. He works as a Data Analyst in the telecommunications world during the day and enjoys mountain biking, camping, snowboarding, automotive repair and is president of a local homebrewing club.  He has been known to enter an XC or enduro mountain bike race from time to time as well.