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The suit fit guide

What makes a good men’s suit a great one? The right fit.

Words: C. Stewart

Slim, tailored, regular and relaxed fit men’s suits all have different defining features. Knowing which fit is best for you is the easiest way to look and feel your best in your suit. So, here's your need-to-know on our fits.



Why get the right fit?

Getting the right fit for a men’s suit can make all the difference – you’ll be amazed at just how good a suit fits just right looks on your body, especially if you’ve previously worn suits that aren’t quite the right size or fit for you.

Not sure how to measure for a men’s suit or how a men’s suit should fit? Our suit size guide might help you out if you already know your measurements. If you don’t know where to start, or you don’t feel confident about getting the right fit, getting measured for your men’s suit is the step you should do straight away. We can help you with this at any of our Moss stores – you can find your nearest one with our store locator.

If you can’t get to a store, then you need to grab a tape measure and make sure you get an accurate idea of your measurements.

How to measure for a men’s suit

If you're measuring yourself at home, then the first thing you’ll need is a tape measure. Remember not to hold it too tightly or too loosely when you measure as this could affect the sizing you end up with.

Here are some pointers on how to measure for a men’s suit:

  • Measure around the base of your neck where a shirt collar will sit. Take the measurement with your index finger underneath the tape – you should be able to fit it between your neck and your collar for a snug but still-breathable fit.


  • Measure around the broadest part of your chest, making sure that the tape is just below the armpit and above your shoulder blades. Keep the tape flat against your body and parallel to the ground.


  • For jackets and blazers, measure around your natural waistline (the narrowest part of your waist). For trousers, measure from the widest part of your waist, roughly 6cm below your natural waistline.


  • Measure from the inside leg at the crotch to where you want your trouser hem to sit on your shoe. For a tailored look, your trousers should sit on top of your shoe, with no or one crease maximum at the hem. For a cropped look, aim for just above your ankle bone.


  • Relax your arms down by your side. Measure from the tip of your shoulder and down your arm to where you want your cuff to sit. Your jacket sleeve should sit pretty much bang on your wrist bone, while your shirt cuff should be 1-2cm longer.


Our men's suit fit blocks

Slim fit

Slim is our narrowest fit, precisely cut for a pin-sharp silhouette. It’s snug through the shoulders, chest, arms and thighs. The jacket and waistcoat are fitted through the waist, while trousers are neat through the seat and taper towards the ankle to skim the top of your shoe.

Slim fit is great if you’re looking for a narrow fit all round. Choose a classic neutral tone, or go for a more vibrant colour such as port.

If you’re buying a slim fit suit or jacket for the first time, you might find going up a size more comfortable.

Tailored fit

Our tailored fit offers a well-balanced fit that sticks to the core rules of tailoring. It’s cut to define your shoulders, chest, arms and thighs but leaves enough room to move with ease. The jacket and waistcoat are tapered through the waist while the trousers are defined through the seat with a tapered leg that sits on top of your shoe.

Tailored fit suits work well as a 2 or 3-piece, like our sage herringbone. It sculpts the silhouette while offering a bit more room than the slim fit, and works well as a single or double breasted suit, making it worthy of various occasions.

Regular fit

Looking for an even roomier fit? Our regular fit suits are cut in line with traditional British tailoring with a broader fit through the shoulders and straight arms and legs. The jacket and waistcoat are lightly shaped through the waist while trousers are fuller through the seat and thigh and hang smoothly to break on your shoe.

Regular fit suits such as our taupe twill are a bit more relaxed, offering a classic look with a bit more movement. It also flatters all silhouettes.

Relaxed fit

The roomiest of them all, relaxed fit suits are designed with comfort and movement in mind. With a boxier shape, slightly dropped shoulders, and straight legs that fall to puddle at your shoe, they’re designed to hang looser than tailored fit suits and offer an easier, more laid-back look.

Our relaxed fit suits, like our steel blue cord suit, feature a double breasted closure which lends itself well to more formal events, but can easily be worn to casual affairs too.

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