Find Your Mizzen+Main Size And Fit


Shopping online is convenient. Guessing your fit is not. That’s usually the hesitation. Not whether you like the shirt, not whether you need the pants, just whether it is actually going to fit the way you want it to.
We get it. Returns mean boxes, labels, and one more errand you were not trying to run in the first place. So the goal is simple: get it right the first time
One of the best parts of shopping with Mizzen+Main is that we have a fit that works for you. No matter your shape and style, you can find not only the best damn dress shirt but your best damn dress shirt. The key is knowing a little bit about yourself.
Know Your Body Size
Just because you know your t-shirt size doesn’t mean you know what size dress shirts, pullovers, and jackets you should be wearing. That means you might be missing out on finding the best-fitting clothes for you.
Just like you have your own fingerprint, you also have your own perfect size and fit. Here’s how to make sure you’re filling your wardrobe with clothes that fit great and look great.
People come in three general body sizes: ectomorph, mesomorph, and endomorph. Understanding which of these categories you fall into will help you narrow down the fit you should be looking for when you shop for clothes online.
- Ectomorph: Tall, skinny, generally needs to consume a lot of calories to gain weight. The upside for ectomorphs is that they can fit into almost anything. The downside is that a lot of clothes look loose and baggy on them.
- Mesomorph: A medium frame with a compact build. For mesomorphs, a rectangular shape and upright posture mean it may be easier for them to put on muscle, but finding clothes that fit them just right is trickier because there are so many variances within this body type.
- Endomorph: A higher percentage of body fat with a heavier and rounder shape. Because endomorphs can gain muscle and lose fat easily, they need to find clothes that stretch with them and make them feel comfortable no matter what.
Start with how you want your clothes to fit
Not every guy wants the same thing from a shirt. Some want a closer, more tailored silhouette. Others want a little more room to move. Neither is more correct. It just depends on your build, your style, and how you like your clothes to feel throughout the day.
That is the starting point. Not a complicated sizing theory. Not a measuring tape unless you want one. Just a clear sense of whether you want your clothes cut closer or easier.
Trim fit
Mizzen+Main Trim Fit is cut for a more tailored feel right off the rack. It’s the more streamlined option in the lineup.
What to expect
- Closer fit through the chest
- Slimmer sleeve
- Tapered waist
- Modern length
If you like a shirt that sits closer to the body, Trim Fit is likely where you want to start.
For taller, leaner guys, it tends to fit true to size. If you are broader through the chest or midsection and still want that cleaner silhouette, sizing up may give you the best result. Oftentimes, someone who wears a medium t-shirt looks best in a large trim. If you’re on the fence, size up.
Classic fit
Classic Fit is the easier cut. Previously referred to as our standard fit, the classic fit is the perfect style for anyone looking for a little more wiggle room. This more relaxed cut gives 4" of additional room in the body and arms, allowing you to move smoothly and easily without feeling tied down.
What to expect
- More room through the body
- More ease through the arms
- A relaxed feel without going baggy
- A clean shape that still feels put-together
If you don’t want your shirts sitting too close to the body, Classic Fit is the better move.
And importantly, easier doesn’t mean shapeless. Every classic fit dress shirt still comes with darts in the back, giving you the tailored style you want from a dress shirt. So, before you try to squeeze into a trim to get a tailored cut, remember that the classic fit may give you everything you want in a dress shirt.
This is the fit for guys who want room to move, but still want a shirt that looks finished.
Don’t overlook length
Both our classic fit and trim fit dress shirts come in two lengths: regular and tall. So, if you’re someone who is tired of being asked whether or not you can dunk (we hear you, big guy), you can get a shirt that works for you.
We also offer certain styles in the No Tuck length, which is 2” shorter than the regular and designed to rest at the middle of your zipper. People often ask, “Can I still tuck a no tuck shirt in?” Look, we won’t tell anyone if you do. If it fits right, do it. No judgment here. Your secret is safe with us.
Your options(opens in new window)
- Regular: the standard length
- Tall: extra length where you need it
- No Tuck: shorter length designed to wear untucked
No Tuck is especially useful if you like a more casual look but still want a shirt that feels clean and intentional. And yes, if it fits right, you can still tuck it in.
What about pants?
Mizzen+Main does more than shirts. Mizzen+Main performance pants are ultra comfortable, lightweight, and they feature continuous stretch right where you need it most. Our pants currently come in two styles(opens in new window): athletic and trim.
The quick version
- Trim: a more tapered, streamlined fit
- Athletic: more room, especially if you want additional ease or plan to tailor
The only other thing you should know about the pants is that if you plan to get them tailored (which, while they fit great off the rack, we completely understand), we recommend buying the athletic fit and giving your tailor a little extra fabric to work with.
Pullovers and outerwear are simpler
This is the easy part. Mizzen+Main outerwear, sweaters, quarter-zips, jackets, and pullovers come in a regular fit that sits between Classic and Trim. That means you get the best of both worlds in a pullover that fits true to size.
Your hardest decision is going to be between which type of collar you want (and if you’re ready to include a hood), which, let’s be honest, you’re going to look great in all of them.
Still not sure? Start with the shirt finder
If you’re still on the fence, the shirt finder is the easiest next step. Here’s a 3-minute quiz(opens in new window) designed to help narrow down the right style and fit across dress shirts, casual shirts, flannels, and polos.
You don’t need to overcomplicate this. Start with how you want your clothes to feel. Decide whether you want a closer fit or more room. Think about length. Getting the fit right makes everything else easier.

Jonny Wills is the Creative Director for Mizzen+Main where he leads creative strategy while still doing his first (and favorite) job—writing copy. And for the record, he put that em dash there all by himself.

