7 picks · Updated 19 October 2026 · Based on 65 owner posts and reviews
This guide covers one-piece and two-piece motorcycle race suits for track days, from about $570 to $2,600. For each pick we give the price, the class and standards the maker's page names, airbag compatibility, and an honest drawback.
Two picks are owner-reported, built from purchaser reviews on SportbikeTrackGear.com that we read. The RST STG EVO 4 has 60. The rest are spec-checked, which means the pick is based on the maker's page and no readable reviews. Neither label means we tested the product. A suit does not make a crash safe, and each entry says only what the page claims.
Prices are US dollars from the pages cited on 19 October 2026. Organisers set their own rules, so check your organiser's current rulebook before you buy.
We can’t test everything, so each pick is labelled with where the evidence comes from. How we research and test. Some links may earn us a commission at no extra cost to you (disclosure).
A one-piece cowhide suit that SportbikeTrackGear sells under its own name with RST. Owners praise the finish for the price, and many mention the retailer's help with sizing. The reviews come from that retailer's own customers, so read the praise with that in mind.
What owners report · from 60 owner posts and reviews we read
Build quality and finish are better than the price suggests (dozens of owners)
Retailer staff helped pick a size, and exchanges were easy (many owners)
Ventilates well in warm weather (several owners)
Comes with a back protector, knee sliders and a removable liner (several owners)
Held up in a low side at the track (two owners)
Runs snug, and at least four owners exchanged for a larger size or said it was small
A basic suit with fewer features than dearer models (one owner)
Seemed very well made especially for the price. My only issue is the sizing.
REV'IT! calls the Argon 3 its entry-level race suit, and its page states AAA under EN 17092-2:2020. It uses buffalo leather, which REV'IT! says looks more rugged than cowhide. We found no purchaser reviews to read, so this is spec-checked only.
Standard named on the page
Class AAA certified according to standard EN 17092-2:2020
Leather
Buffalo leather with PWR|Shell stretch fabric and accordion panels
Armour
BETAC CE-level 2 at elbows and knees, CE-level 1 at shoulders, SEESMART hip protectors (EN 1621-1:2012 CE-level 1)
Back protector
Pockets fit a CE-level 2 SEESOFT back protector. A back protector is offered as a $74.99 add-on at checkout
Airbag
Airbag-ready, true to size, for REV'IT!'s Avertum Tech-Air or a Tech5 airbag
Sizes listed
46 to 56, with a measurement chart
Best for
Riders who want a European-brand AAA suit below the premium tier and plan to add an airbag vest later.
Worth knowing
The back protector is an extra cost, and the page showed "1 in stock" for the default size with "Unavailable" next to the price, so check your size before relying on it.
Alpinestars' most affordable one-piece in this list that names Tech-Air compatibility. It is rated AA, one step below AAA, so it is a mid-grade suit. No readable purchaser reviews were found, so this is spec-checked only.
Rating named on the page
CE AA-class certified (the page also prints "prEN17092 AA class")
Leather
Dual-layer bovine leather with perforated panels
Armour
Nucleon Flex Plus CE Level 1 at shoulders, Nucleon Bio-Flex CE Level 1 at hips, DFS Lite at shoulders and knees
Airbag
Compatible with Tech-Air 7X, Tech-Air 10 Race and Tech-Air 5 systems
Extras
Aerodynamic hump shaped for the Supertech R10 helmet, replaceable knee slider mounts
Best for
Riders who want an Alpinestars suit that takes a Tech-Air airbag later and do not need AAA.
Worth knowing
Rated AA rather than AAA, with Level 1 shoulder and hip armour. Check that the class suits the organiser and your own comfort level.
A race-fit suit for track days that Alpinestars rates AAA under EN 17092-2:2020 and fits with Level 2 armour at the main joints. It takes the Tech-Air 5, 10 and 7X vests. No readable purchaser reviews were found, so this is spec-checked only.
Standard named on the page
Fully CE-certified riding garment, Category II EN 17092-2:2020, AAA class
Leather
1.3 mm race-spec bovine leather, dual layers in critical areas
Armour
Nucleon PLASMA Pro CE Level 2 at elbows, shoulders, knees and shins
Airbag
Optimised for Tech-Air 5 and Tech-Air 10, and compatible with Tech-Air 7X
Back and chest
Accepts optional PLASMA Race chest and Level 2 full back protectors
Comfort
Internal suspender system for holding the top half up off the bike, zippered detachable liner
Best for
Riders who go to the track often and want AAA, Level 2 joint armour and a choice of Tech-Air vests.
Worth knowing
The back and chest protectors are optional upgrades, so budget for them. Race fit means it is snug off the bike.
The airbag is built into the suit, so you do not need to fit a vest under the leathers. Owners who also owned the V4.1 call the V4.2 an upgrade, but two say it fits tighter. Read the airbag details in our airbag vest guide.
What owners report · from 5 owner posts and reviews we read
Two owners who also owned the V4.1 say the V4.2 is better (two owners)
Construction and finish described as top notch (one owner)
Fits tighter than earlier RST suits because of thicker D3O armour (two owners)
One owner's suit serial number was rejected at In&motion sign-up until support fixed it (one owner)
RST did not change their patterns for the new liner so it is much tighter.
Love it, better than V4.1. More comfortable and more protection.
D3O Level 2 at back, shoulder, elbow, hip and long knee
Materials
Kangaroo leather, premium drum-dyed cowhide and AST-R, with Kevlar and Superfabric reinforcement
Airbag
In&motion system with the In&box unit shipped with the suit. A plan is needed to activate it ($120 a year rental or $400 purchase on In&motion's US page)
Knee sliders
Uses reverse hook-and-loop sliders, so most conventional sliders will not fit
Best for
Regular track riders who want a rated AAA suit with the airbag already in it.
Worth knowing
It needs an In&motion plan on top of the price, and two owners say the D3O armour makes it fit tighter than earlier RST suits.
Alpinestars' top-tier suit in this list, built from kangaroo and bovine leather. It is rated AAA and designed around the Tech-Air 7x. No readable purchaser reviews were found, so this is spec-checked only.
Rating named on the page
CE Category II PPE Regulation (EU) 2016/425, AAA class
Leather
Kangaroo leather and racing bovine leather, dual layers in high-abrasion areas, bonded Kevlar net
Armour
Nucleon PLASMA Level 2 at shoulders, elbows and knees, GP DFS RR kit
Airbag
Tech-Air 7x compatible with a fully floating installation. Optimised for Tech-Air 5 and Tech-Air 10
Fit
Racing cut with an aero hump designed for the S-R10 helmet
Best for
Serious track riders and racers who want a premium race-cut suit with airbag integration.
Worth knowing
At $2,599.95 it costs more than four times the budget pick, and the Tech-Air vest is extra.
A two-piece with a full-circumference chain zip, the feature that organisers such as Trackdaz, Silverstone and No Limits ask for when they allow two-piece suits. It is rated AA. No readable purchaser reviews were found, so this is spec-checked only.
Zip
360-degree chain connection zipper with 10 connection points
Rating named on the page
CE Category II prEN 17092 AA class
Leather
Dual-layer bovine leather in impact zones, perforated panels
Armour
Nucleon PLASMA LT CE Level 1 at elbows and knees, Flex Plus CE Level 1 shoulders, Bio-Flex CE Level 1 hips
Airbag
Tech-Air ready for the 10, 7x and 5 PLASMA systems
Best for
Riders who also want to use the jacket on the road and zip the two halves together for the track.
Worth knowing
Rated AA and fitted with Level 1 armour. Confirm your organiser accepts a two-piece before you buy.
A one-piece suit has no waist join. A two-piece suit lets you wear the jacket alone, but it must zip to the trousers for the track. Alpinestars says many organisers allow a two-piece with a full 360-degree zip but rules vary, and tells riders to check before booking.
Published rules we read on 19 October 2026: Trackdaz accepts one- or two-piece suits, and a two-piece must fasten together with a zipper between jacket and trousers. Silverstone requires a complete one-piece leather suit or a two-piece zip-together leather suit with the zip running hip to hip. No Limits Trackdays asks for a full leather one-piece or a fully zipped two-piece, and says the zip must encircle your torso with no gap. 2-Fast accepts a one- or two-piece suit with armour at the elbows, shoulders and knees, and prefers but does not require a zip-together two-piece. We could not read the rules pages for N2 Track Days, Pro6 or MSV.
Leather is not required everywhere. Trackdaz recommends leather and allows high-quality mesh suits case by case. 2-Fast says non-leather suits such as Joe Rocket or Aerostich are acceptable. Silverstone and No Limits ask for leather suits. Racing is stricter: MotoAmerica's 2026 rules require a complete leather suit, or a leather substitute the Technical Director has checked.
EN 17092 classes
EN 17092 is the European standard for motorcycle clothing. webBikeWorld's summary says Class AAA has the highest requirements for impact abrasion and related strength tests, AA is medium duty with lower requirements, and A is light duty with the lowest. Class B is abrasion-only with no armour, and Class C is armour-only garments such as a vest or knee brace. AA and AAA must have armour at shoulders, elbows, hips and knees.
All seven suits here are described as AAA or AA. The two Alpinestars GP Force V2 suits are listed as AA. The other five are listed as AAA, and the retailer listings for the RST suits give the class but do not name the EN number. Ask for the garment's label or certificate if the class matters to you.
None of the organisers we read name a class in their rules. They ask for leather or a zip-together suit and a back protector. A class describes lab test results. It does not predict what happens in a crash.
Back protectors
Organisers want one. Trackdaz asks for a CE-approved foam insert at minimum. Silverstone says all riders must wear a back protector. No Limits says a back protector is compulsory at all circuits and that you can hire one from them. MotoAmerica article 2.12.5 requires one for racers.
EN 1621-2 is the standard for back protectors. SATRA says it has Level 1 and Level 2, and Level 1 needs a mean transmitted force below 18 kN with no single value above 24 kN. SATRA says the lower the force passed through, the better the protection is considered to be, and Level 2 offers a higher level of protection. Check whether your suit includes a protector and which level, because some do not. REV'IT! sells the Argon 3's protector as an add-on, and Alpinestars lists the GP-R7's Level 2 back protector as an optional upgrade.
Sizing, fit and break-in
Alpinestars says a race fit is snug in a tuck, with limited ease off the bike, and that break-in improves comfort after a few rides. It advises measuring chest, waist, hips, arm and inseam, trying the suit with the base layer you will ride in, and testing it with an airbag installed if you use one. Sit on a bike or chair in your riding position. Armour should sit flat and stay put as you tuck and move, and you should be able to look over your shoulder without binding at the shoulders, hips or knees.
REV'IT! publishes chest, waist, hip and inseam measurements for each size, and shows how to measure. Sizes differ by brand. Owners of the RST STG EVO 4 often say it fits snug, and at least four exchanged for a bigger size. Four owners also describe it loosening up after a few rides. If you are between sizes, call a retailer who will advise, and keep the tags on until you have sat on a bike in the suit.
After a crash, Alpinestars says to inspect the suit carefully, because abrasion, burst seams or compressed armour can reduce protection, and to replace it when in doubt.
Leather types
Makers use different hides. Dainese says kangaroo hide is normally around 0.9 mm thick and describes it as thin and light with strong resistance to abrasion, cut and tear. Alpinestars builds the GP Tech V5 from kangaroo and racing bovine leather, and the GP-R7 from 1.3 mm bovine leather. REV'IT! uses buffalo leather on the Argon 3 and says it looks more rugged than cowhide. Cortech lists 1.2 to 1.4 mm cowhide on its Revo Sport Air.
These are maker descriptions of their own materials. No organiser we read asked for a particular hide. Thickness, panel layout and the rated class matter more than the animal.
What airbag-ready means
An airbag-ready suit has stretch or expansion panels, or room, so a vest can inflate under it. It does not include the vest. Alpinestars lists which of its vests each suit accepts. REV'IT! says the Argon 3 is airbag-ready true to size for its Avertum Tech-Air or a Tech5 airbag. In&motion lists racing suits that are compatible with its technology.
Not every vest works under every suit. Klim says one-piece leather suits are not approved to be worn under its Ai-1 vest. Check the vest maker's compatibility notes, and see our guide to motorcycle airbag vests for track modes, servicing and costs.
Questions buyers ask
Can I use a two-piece suit at a track day?+
Often, if the halves zip together all the way around. Trackdaz, Silverstone and No Limits allow it with a zip. 2-Fast accepts two-piece suits and prefers a zip-together one. Silverstone wants the zip to run hip to hip, and No Limits wants it to encircle your torso with no gap. Check your organiser.
Do I have to wear leather?+
Not at every organiser. Trackdaz recommends leather and permits high-quality mesh case by case. 2-Fast says non-leather suits are acceptable. Silverstone and No Limits require leather. MotoAmerica requires a complete leather suit or an approved substitute.
What EN 17092 class do I need?+
The organisers we read do not name a class. AAA is the highest class for abrasion and strength tests, and AA is medium duty. All seven of our picks are listed as AAA or AA. Pick the highest class you can afford and make sure it fits.
How should a race suit fit?+
Alpinestars says a race fit is snug in a tuck and that break-in improves comfort after a few rides. Test it in your riding position with your base layer and any airbag. You should be able to reach the bars and look over your shoulder without binding.
Do I need a back protector?+
The organisers we read require one, and MotoAmerica requires one for racers. Check what comes with your suit. Some suits include a protector and others sell it as an add-on.
Should I buy an airbag suit or a vest?+
It depends on budget and fit. A suit with the airbag built in, such as the RST V4.2, means one garment. A vest under an airbag-ready suit lets you swap suits. Our airbag vest guide covers modes, servicing and standards.
When should I replace a suit?+
Alpinestars says to inspect a suit carefully after a crash and replace it when in doubt, because abrasion, burst seams or compressed armour can reduce protection. Follow your suit maker's care and replacement instructions.
Are the UK rules different?+
UK organisers we read are strict on the zip and on the back protector. No Limits says a back protector is compulsory at all circuits, and Silverstone says all riders must wear one. Both require leather. Check the UK organiser before you buy, and note that some suits above are sold only in the US.
