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Troxel Spirit MIPS Helmet - Black Duratec
$117.99
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Fit first, then the MIPS layer
MIPS Riding Helmets
MIPS riding helmets from One K, Trauma Void, Equinavia, Troxel, Champion and Ovation, sorted by head shape and discipline, so you can pick the one that fits well enough to wear every ride.
Updated November 2026
Shop MIPS Helmets by Brand
Find Your Fit
Helmet sizesX Small to XX Large Long Oval
Centimeter ranges
In the Spotlight
MIPS helmets from the maker riders compare others to most
One K MIPS helmets
One K MIPS CCS, Avance, Defender and wide-brim styles
What riders say about MIPS riding helmets
Riders tell us fit decides which MIPS helmet they keep, and that a big oval head can find one that works.
I've just bought the Equinavia crown MIPS helmet and love it for my large and very oval head. Very reasonably priced too
It's an Ovation MIPS helmet, and I also tried the One K, which felt identical in the store. I was previously in Ovation Deluxe Schoolers and liked the fit of those, but I'd like the MIPS protection now.
I have a big oval head and this is the first MIPs helmet that I’ve been able to forget I’m wearing. It fits so well, is so comfortable, and actually fits - no more forehead indents. I measured at 57mm but the medium fits me perfectly.
OMG, I LOVE my new helmet. It fits perfectly. I feel very safe riding in a new MIPS helmet, and this one fits my noggin like it was tailor made for me.
The MIPS Edit
Why a well-fitting MIPS helmet is worth the search
Five short sections cover what MIPS is, how to fit one, and which maker's MIPS styles suit the way you ride.
The basics
What MIPS is in a riding helmet, as makers describe it
MIPS in a riding helmet is a low-friction layer that, according to MIPS, is designed to add protection against rotational motion transmitted to the brain from angled impacts. MIPS says it was founded in 1996 by a neurosurgeon and a researcher from the Royal Institute of Technology in Sweden, and One K repeats that description on its MIPS CCS Helmet page.
Makers describe the layer in similar terms. Ovation says the low-friction layer in its M Class MIPS Helmet allows a sliding motion of 10 to 15mm in all directions, and Champion gives the same range for its Revolve line. Equinavia describes the layer in its Crown MIPS as a way to reduce rotational force during impacts. Certifications vary by helmet. Equinavia lists the Crown MIPS as ASTM F1163-23/SEI and CE EN 1384:2023 certified, Troxel lists the Spirit MIPS as ASTM/SEI-certified, and Champion lists the Revolve Ventair MIPS against British PAS 015 2011, VG1 and ASTM F1163-15. For any other helmet, read the standards on its product page before you choose. MIPS is one feature on a longer list: shape, size, brim and ventilation decide whether you will want to wear the helmet every ride.
Head shape
How to fit a MIPS helmet: round, oval and long oval heads
A MIPS helmet fits best when you match your head measurement to that maker's own chart, because shell shapes differ by brand. Measure around your head about an inch above your eyebrows, then check the chart on the helmet's product page. Trauma Void says its Lynx is designed to fit a rounder-shaped head and advises sizing up if you fall between two sizes, since a lacing at the back of the head adjusts the fit slightly.
Riders tell us they kept the MIPS helmet that finally fit: one found the Trauma Void the first MIPS helmet that suited her head, and another chose the Champion MIPS after trying it against an HSI. Riders with a big oval head say the same about the Equinavia Crown MIPS and the One K MIPS CCS, and Equinavia lists dial-adjustable precision fit for its Crown. Look elsewhere if your head is oval: Trauma Void designs the Lynx for a rounder shape, so compare the Equinavia Crown MIPS, which riders with oval heads tell us fits them.
What Riders Say
The Trauma Void MIPs is the first one that MIPS helmet I've found that fit my head, so I know have one.
I've gone from an HSI to the Champion MIPS. Spent a long time trying both on and decided that the Champion fitted me better.
Schooling and shows
One K, Equinavia and Champion MIPS for schooling and shows
One K makes the schooling and show-ring MIPS line, starting with the One K MIPS CCS Helmet, which One K builds with a matte polycarbonate and advanced ABS composite shell, a washable anti-microbial liner and a Fastex buckle. The Avance MIPS CCS and Defender MIPS CCS sit alongside it, and the MIPS CCS Avance Wide Brim Helmet adds a visor. Riders tell us One K's MIPS helmets are comfortable and fit well, and one rider moved to a Defender after retiring a Samshield.
Equinavia's Crown MIPS Riding Helmet and Crown Glossy Mips Riding Helmet bring a wide brim, a flexible peak and a chrome-coated frame, with a removable lining that Equinavia says can be hand washed. Champion's Revolve Ventair MIPS Helmet is low profile with a fiberglass shell and four point padded harness. Look elsewhere if you want no visor at all: the Trauma Void Lynx Eventing Skull below is built without one.
What Riders Say
I recently bought the One K MIPS helmet. I love it. It's really comfortable and the harness system is much nicer than the Trauma Void.
I loved my Samshield but when I retired it, I got a One K Defender with MIPS. It fits great and they have a sun visor option.
Eventing and jumping
Trauma Void MIPS helmets for eventing and jumping
Trauma Void covers eventing and jumping here, with the Lynx Eventing Skull, Lynx Smooth Top, EQ3 NEOZ, Lynx Micromocca and Pardus Smooth Helmet all listing MIPS. The Lynx Eventing Skull has no visor by design, which Trauma Void says avoids protruding shapes, and it weighs approximately 560g according to the maker. The lining uses Coolmax fabric, is removable and washes in lukewarm water.
Choose the shape you actually jump in, then size by the circumference of your head and read the chart on each helmet's page, because Trauma Void's fit differs by model. Look elsewhere if you want a wide-brim show look: One K and Equinavia are the better starting points. Certifications are listed per helmet by the maker, so check the standards on the product page for the model you pick.
Trauma Void MIPS helmets
Lynx, EQ3 and Pardus MIPS helmets
Everyday and kids
Everyday and kids' MIPS helmets from Troxel and Ovation
Troxel's Spirit MIPS Helmet and Terrain MIPS Helmet cover everyday riding. Troxel lists the Spirit as low profile with a DialFit system, a FlexVisor and a FlipFold removable washable headliner, and as ASTM/SEI-certified. Ovation's M Class MIPS Helmet and Kids' M Class MIPS Helmet Jr bring MIPS to riders who want a matte finish and front venting, and the Back on Track Caracas Mips Helmet and TuffRider R50 MIPS Riding Helmet add more everyday choices.
For kids, measure around the head about an inch above the eyebrows and buy the size that fits now, not one to grow into, as Troxel's own kids' helmet guide advises. Dial-fit systems adjust as heads grow or hair styles change. The One K MIPS Jr CCS Helmet is the other youth option. Look elsewhere if you want a wide brim: the One K Avance Wide Brim and Equinavia Crown carry one.
Questions riders ask
MIPS Helmet FAQ
What is MIPS in a riding helmet?
MIPS stands for Multi-directional Impact Protection System. MIPS describes it as a low-friction layer inside the helmet, designed to add protection against rotational motion from angled impacts. Each helmet lists its own certifications on its product page, so open the page for the model you like and read the standards there.
How do I find my helmet size?
Measure around your head about an inch above your eyebrows, then match that number to the maker's own size chart. For kids, buy the size that fits now rather than one to grow into, since Troxel's kids' guide advises against it. Open the chart on the helmet's product page and check it before you order.
Do MIPS helmets fit round and oval heads?
Shapes differ by maker, so check each brand's fit notes. Trauma Void says its Lynx is designed to fit a rounder-shaped head, and riders with a large oval head tell us the Equinavia Crown MIPS and One K MIPS CCS fit them. If one brand does not fit, try another, and use the size filters above to narrow the choice.
When should I replace a riding helmet?
Makers publish their own replacement guidance, so follow the instructions that came with your helmet, and ask the maker about its accident-replacement terms. Replacement terms differ from one maker to the next, so keep your helmet's paperwork. Our Barn Talk guide on replacing a riding helmet covers what to check, so open it from More information below.