Cycling Jersey Fit Guide: Race, Club or Relaxed, and What Size to Choose
A cycling jersey should sit close to your body without pulling across the chest, with sleeves that lie flat and a back long enough to cover you when you lean over the bars. Race fit is skin-tight, club fit is close with room to breathe, relaxed fit is loose. Pick your size from a chest measurement, not your usual letter.
In short
- A jersey should sit close in riding position, with a back long enough to cover you when you lean over.
- Race fit is tight, club fit is close with room to breathe, relaxed fit is loose.
- Measure chest, waist and torso length, then use the size chart for that jersey.
- OCG jerseys have a club fit cut and run small, so size up if you are between sizes.
How should a cycling jersey fit?
A well-fitted jersey feels close but comfortable when you are in riding position. Check four things:
- Chest and shoulders: no pulling across the chest when you reach forward, no tight band across the shoulder blades.
- Sides: you can pinch about an inch of fabric at the waist, no more. Extra fabric flaps in the wind.
- Back: the hem covers your lower back when you are bent over, so there is no gap between jersey and shorts.
- Sleeves: they lie flat on your arm without cutting in or flapping.
What is the difference between race fit, club fit and relaxed fit?
These three names describe how close the jersey sits to your body. Brands use them loosely, but the idea is the same everywhere.
| Race fit | Club fit | Relaxed fit | |
|---|---|---|---|
| How it feels | Skin-tight, almost compressive | Close, with room to breathe | Loose, like a technical t-shirt |
| Wind flap at 18 mph | None | Very little | Noticeable |
| Best for | Racing, fast group rides | Group rides, long weekend rides, most riders | Commuting, café rides, casual riding |
| Comfort off the bike | Low | Good | Best |
| Who usually picks it | Lean riders chasing speed | Most recreational and club riders | Riders who dislike tight clothing |
Our jerseys are cut as a club fit, because that is what most group and recreational riders should be wearing. If you are torn between race and club, go club. Comfort wins on every ride that is not a race.
Is a loose or relaxed fit cycling jersey a good idea?
A relaxed jersey is a good choice for commuting, short rides and anyone who dislikes tight clothing. You give up a little speed, since loose fabric catches wind like a sail in a paceline, and a loose back can ride up when the pockets are full.
The simplest way to get a looser feel without losing the jersey features is to size up one from your measured size. The club fit cut stays the same, there is just more room through the chest and waist. Every design in our men's cycling jerseys range runs from 2XS to 7XL, so there is room to go up.
What size cycling jersey should I get?
Ignore the letter on your favorite t-shirt. Cycling sizes vary a lot between brands, and the letter tells you little. atwl77 on BikeForums put it simply: "I never bother with the letter designations S, M, L, XL and always refer to actual measurements." Pizzaiolo Americano, also on BikeForums, showed how far apart brands can be: "I am 5'7 and between 165-170 lbs...wear XL jersey. In Castelli, I need 2XL."
“I never bother with the letter designations S, M, L, XL and always refer to actual measurements.”
atwl77 on BikeForums
Grab a soft tape measure and take three numbers:
- Chest: around the fullest part, arms relaxed, breathing normally.
- Waist: at the narrowest point, usually an inch or two above the belly button.
- Torso length: from the base of your neck down to your hip. This is the one people skip, and it decides whether the jersey covers your lower back on the bike.
Compare the numbers with the chart for the exact jersey you are ordering. Our jerseys have a club fit cut and run small, so if you are between sizes, we recommend sizing up. All OCG charts are on the sizing charts page.
Dirt Farmer on BikeForums named us directly: "Online Cycling Gear has jerseys under $55, and they are nice quality. just buy LARGE!" Steve Thornley said the same in his Trustpilot review of our jerseys: "Jerseys fit a little snug, so size up 1x. Quality is really good and I'm pleased with my purchase."
Why does a cycling jersey look wrong when you stand up?
Because it is cut for a body bent forward with arms reaching to the bars. Standing up, the back hangs low, the front feels short and the sleeves angle forward. All of that is on purpose.
Before you decide a jersey does not fit, try this. Stand with your feet apart, bend at the waist about 45 degrees and reach forward as if holding the bars. If the back covers your lower back, the front sits flat and the sleeves fall along your arms, the jersey fits. It just looks odd in the hallway.
Do men's and women's cycling jerseys fit differently?
Yes. Women's jerseys are usually shorter in the torso, narrower at the shoulders and shaped with more room at the hips. Men's jerseys run longer and straighter. Many riders fit best in their own cut, but go by measurements: some women prefer a men's jersey for a longer body, and the chart for each cut tells you where you land.
Most designs in our store can be ordered in the other cut through the customization panel on the product page, so a print you love in the women's cycling jerseys range can usually be made as men's, and the other way around.
What size cycling jersey for plus-size riders?
Most OCG jerseys come in 2XS-7XL, so a much wider range of riders can find a fit without leaving the design they want. Above XL, measurements matter even more, since chest and stomach can call for different sizes. Measure both and follow the larger number. Our jerseys have a club fit cut and run small, so if you are between sizes, size up.
Do retro and funny jerseys fit the same as plain ones?
Ours do. Every design in the cycling jerseys range, retro, funny or plain, uses the same cut and the same chart, so once you know your size it carries across. Originals from the 1970s and 1980s were looser, which is worth knowing if you are comparing with a vintage piece.
Which jersey details affect fit on long rides?
None of these show up in a product photo, and all of them show up after two hours:
- Waist gripper: a silicone band at the hem keeps the jersey from riding up when you stand to climb or carry a full pocket.
- Full-length zip: opening it on a climb dumps heat fast. Our jerseys use a full-length hidden zip.
- Mesh side panels: our jerseys pair a 140 GSM moisture-wicking polyester body with 110 GSM mesh side panels, so air moves where heat builds up.
- Three back pockets: set low on the back so a phone and snacks sit flat instead of bouncing.
Quotes from riders are reproduced exactly as they were posted, typos and all.
Frequently asked questions
Should a cycling jersey be tight?
It should be close-fitting but never restrictive. Race fit is tight on purpose. For most riders, a club fit that you can pinch about an inch of at the sides is right.
Is it better to size up or down in a cycling jersey?
Size up if you are between sizes. A slightly roomy jersey still rides well, a tight one stays in the drawer. Our jerseys have a club fit cut and run small, so this matters more with us than with some brands.
What is club fit in a cycling jersey?
Club fit is the middle ground between race fit and relaxed fit. It sits close to the body without compression and leaves a little room at the chest and sides.
How long should a cycling jersey be?
Long enough at the back to cover your lower back and overlap your shorts when you are bent over the bars. The front is usually shorter, so the jersey does not bunch at your stomach.
Can I wear a base layer under a fitted jersey?
Yes. A thin mesh base layer adds almost no bulk. If you plan to wear thicker layers in winter, measure your chest with the base layer on.
Do cycling jerseys shrink in the wash?
Our jersey fabric is treated against shrinking. Wash at 30°C (86°F) and hang to dry, since dryer heat is what damages the elastic and the gripper over time.
