Charles Tyrwhitt sells one shirt in many weaves, three fits and a dozen collars, we compare the six weaves worth knowing and explain how to order the right size first time.
Sophie LambertSophie covers fashion and collectibles, from denim fits to display builds worth the shelf space.
Charles Tyrwhitt is a shirt specialist, and the range is a grid rather than a catalogue. You pick a weave, a fit and a collar, and then a neck size and a sleeve length independently. That last part is the quiet reason people switch: a shirt sized to your neck and your arm fits in a way that a small, medium or large never will.
The weaves are where most of the decision sits. Twill, poplin, Oxford, herringbone, pinpoint, Egyptian cotton and flannel all behave differently in terms of formality, weight and how much ironing they truly need. This guide covers the six worth knowing, with the fits and collars explained, and is straight about where the non-iron claim has limits.
If you read one line A non-iron twill in Slim fit is the shirt most people should start with. If you want something crisper and lighter for summer and formal wear, go to the non-iron poplin; for an open-necked, casual shirt, the Oxford.
Neck size and sleeve length are chosen separately, which is the real reason these shirts fit better than high-street sizing.
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The shortlist
Our top picks
Three weaves cover almost every situation: twill for everyday, poplin for formal and warm weather, Oxford for casual.
Best overall
Non-Iron Twill Shirt
★★★★★4.7/ 5
Twill weaveNon-ironThree fits
The everyday workhorse. A diagonal twill weave that resists creasing, drapes well under a jacket and handles a full day of wear better than anything else here.
A crisp, light flat weave for formal days and warm weather. This one is 100% cotton with natural stretch built into the weave rather than added elastane.
The casual option. A heavier basketweave with visible texture that looks right worn open at the neck, and the stretch versions blend cotton with a little elastane.
Three reasons a shirt specialist beats buying shirts from a general retailer.
Sizing that actually fits two measurements
Neck sizes run in half-inch steps from the mid-teens upwards and sleeve lengths are chosen separately across seven options. That means long arms and a slim neck, or a broad neck and short arms, are both catered for without alteration. If you have spent years with cuffs sitting at the wrong point on your wrist, this single feature is the reason to switch.
Three fits, clearly labelled
The range offers Classic, Slim and Extra slim, and the site labels them plainly as generous, tailored and tight, with Slim marked as the most popular. Classic and Slim shirts include back pleats for movement while Extra slim uses back darts. Knowing which of three fits you are in makes re-ordering trivial.
A long window to change your mind
Shirts carry a six-month quality guarantee and can be returned within that window, which is far longer than typical retail. Exchanges are posted free, which makes getting the size right a low-risk process even if it takes two attempts. Refund-only postal returns do have a fee deducted, so exchange rather than refund where you can.
Buying guide
How to choose the right one
Three decisions, and the order matters.
1
Measure the neck and the sleeve
Put a tape around the base of the neck where a collar sits and add enough room for a finger — that is your collar size. For sleeve length, measure from the centre back of the neck, across the shoulder and down a slightly bent arm to the wrist bone. Both numbers are ordered independently, which is the whole point of the system. If you are between neck sizes, go up: a tight collar is the one fit problem no amount of wearing-in will fix.
2
Choose the fit
Classic is cut generously and is the right call if you want room, tuck shirts in all day or sit at a desk in one. Slim is the tailored middle ground and the most popular. Extra slim is tight through the body and chest and uses back darts rather than pleats. Pick for the shape you are, not the shape you intend to be; a shirt that pulls at the chest buttons undoes any benefit of the better sizing.
3
Then pick the collar and cuff
Collar choice changes the look more than the fabric does. A classic collar is the safe default and works with or without a tie. Cutaway, semi-cutaway and extreme cutaway open progressively wider, suiting larger tie knots and rounder faces. Button-down is the casual option and the only one that sits properly open without curling. Cuffs come as single, which fastens with buttons, or double, which needs cufflinks — buy double only if you own and use cufflinks.
🧺 Getting the best from a non-iron shirt
Non-iron is a treatment applied to the cotton, not magic. The brand's own guidance is to wash warm on a slow spin and to tumble dry on a low heat, which helps activate the finish, then hang the shirt promptly. Follow that routine and most shirts come out wearable; ignore it, wash cold and leave a shirt crumpled in the machine, and you will be reaching for the iron.
Reviewers also report the finish weakening after many washes, which is consistent with how these treatments work. Expect a quick press on the collar and cuffs eventually rather than never touching an iron again across the shirt's life.
In-depth reviews
All 6, reviewed
Ranked by how well each one delivers on what it promises, not by price.
1
Best overall
Non-Iron Twill Shirt
★★★★★4.7/ 5
4.7Score
If you want one shirt to buy repeatedly in different colours, a non-iron twill is the correct answer.
Why we rate it
Twill is woven with a diagonal structure, and that structure is why this is the easiest shirt in the range to live with. It has a little more weight and softness than a flat weave, it resists creasing noticeably better through a day at a desk or in a car, and it drapes cleanly under a jacket rather than bunching. Combined with the non-iron finish it is the shirt that most reliably looks the same at six in the evening as it did at eight in the morning, which is the only test that matters for a work shirt.
Order it in the fit that matches your shape — Classic for generous room, Slim for a tailored line, Extra slim if you want it close, and remember Classic and Slim include back pleats while Extra slim uses darts. The non-iron benefit depends on the wash: warm wash, slow spin, low tumble, hang promptly. Twill's slight sheen and weight make it marginally less formal than a crisp poplin and warmer in summer, so it is an everyday shirt rather than a black tie one. There is a split yoke and brass collar stiffeners are included.
Weave: Twill, diagonal structure
Finish: Non-iron
Fits: Classic, Slim and Extra slim
Sizing: Neck size and sleeve length chosen separately
Pros
The most crease-resistant weave here, so it holds up through a full day
Drapes well under a jacket without bunching at the shoulder
Softer in the hand than poplin and comfortable from the first wear
Available across all three fits and the full collar range
Cons
Slightly heavier than poplin, so less comfortable in hot weather
A touch less crisp and formal than a flat poplin weave
Non-iron results depend on following the wash and dry routine
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2
Best for formal wear
Non-Iron Stretch Poplin Shirt
★★★★★4.7/ 5
4.7Score
Poplin is the crispest, lightest thing in the range, and the stretch version gives you movement without putting elastane in the cloth.
Why we rate it
Poplin is a flat plain weave, and the result is a shirt that is lighter, smoother and visibly crisper than twill. That makes it the right choice for formal occasions, for wearing under a suit in summer, and for anyone who likes a shirt that looks sharp rather than soft. The notable detail on the non-iron stretch poplin is that it is described as 100% cotton with natural stretch – the give comes from how the cloth is woven rather than from added elastane, so you keep the hand and breathability of pure cotton while getting some movement.
Flat weaves are less forgiving than twill. Poplin creases more readily across the day, particularly at the elbow and where a seatbelt sits, so the non-iron finish is doing more work here and the wash routine matters more. White poplin is also the thinnest-looking shirt in the range and can show what is underneath, which is worth knowing before a bright summer wedding. Worth noting too that other non-iron stretch shirts in the range use a cotton and elastane blend instead, so check the composition bullets on the specific shirt rather than assuming.
Weave: Poplin, flat plain weave
Composition: 100% cotton with natural stretch
Finish: Non-iron
Best for: Formal wear and warm weather
Pros
Crispest, sharpest-looking shirt in the range
Light and breathable, so the best choice under a suit in summer
Natural stretch in a 100% cotton cloth rather than added elastane
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3
Best casual shirt
Non-Iron Stretch Oxford Shirt
★★★★★4.5/ 5
4.5Score
An Oxford is the shirt to wear without a tie, which is most days for most people now.
Why we rate it
Oxford cloth is a chunkier basketweave with visible texture, and that texture is the point: it reads as casual, so the shirt looks correct worn open at the neck, under a jumper or with jeans, where a fine poplin would look like you had lost your tie. It is heavier and more robust than the formal weaves and takes wear well. The stretch versions are made with cotton and a small proportion of elastane, which adds genuine give across the back and shoulders and makes a heavier shirt feel easier to move in.
Pick the collar carefully, because this is the shirt most likely to be worn open. A button-down collar holds its shape without a tie and is the traditional Oxford pairing; a classic collar works too but will roll more. The trade-off with the weave is formality — an Oxford under a suit for a formal event looks underdressed, and the extra weight is warm in high summer. The texture also means it never looks as pressed as a poplin, so if your office is strict, buy twill or poplin instead and keep this for weekends.
Weave: Oxford basketweave
Composition: Cotton with a small proportion of elastane in stretch versions
Finish: Non-iron
Best with: Open collars, jumpers and jeans
Pros
Texture looks deliberate worn open, unlike a fine formal weave
Heavier cloth takes everyday wear and washing well
Stretch versions add real movement across the back and shoulders
Pairs properly with a button-down collar for a casual look
Cons
Too casual to wear under a suit for formal occasions
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4
Best for pattern without print
Non-Iron Herringbone Shirt
★★★★★4.2/ 5
4.2Score
Herringbone is how you add interest to a shirt without wearing a print, the texture is in the weave, not on it.
Why we rate it
Herringbone is a variation on twill in which the diagonal reverses at intervals, producing the familiar fine zigzag. In a shirt it is a smart choice because it photographs and reads as a plain colour from any distance, while up close there is real texture and depth. That makes it more interesting than a flat shirt without committing to stripes or checks, and it means a white or pale blue herringbone can be worn as often as a plain one without looking repetitive.
Being a twill variant, it shares twill's virtues — some weight, a soft hand, decent crease resistance – and its limitations, in that it is slightly warmer and less crisp than poplin. The texture can interact oddly with heavily patterned ties and suits, so it works best with plain or simply patterned tailoring. The weave is available as a filter across the shirt range rather than as a single style, so colour and fit availability varies through the year, which is worth bearing in mind if you want to buy several the same.
Weave: Herringbone, a twill variant
Appearance: Reads plain at a distance, textured close up
Finish: Non-iron
Best for: Adding interest without a visible pattern
Pros
Texture adds interest without the commitment of a stripe or check
Shares twill's weight, softness and crease resistance
Works as often as a plain shirt without looking repetitive
Available across the fits and the main collar options
Cons
Clashes with busy patterned ties and strongly textured suits
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5
Best quality upgrade
Egyptian Cotton Shirt
★★★★★4.1/ 5
4.1Score
Egyptian cotton is a different experience against the skin, which is exactly why it is worth it on the shirts you care about.
Why we rate it
Egyptian cotton shirts sit at the upper end of the range, and the difference is in the fibre rather than the finish. Long-staple cotton spins into a finer, smoother yarn, which produces cloth with a silkier hand, a subtle lustre and a cleaner drape. Worn next to the skin the difference is immediate, and it shows most in plain white and pale shirts where there is nothing else to look at. These are the shirts to buy for interviews, weddings and the days that matter rather than for the whole working week.
Be realistic about what the upgrade does and does not buy you. Finer cloth is not more durable, if anything a fine shirt wants gentler treatment than a heavy Oxford, and the collar and cuffs will show wear sooner on daily rotation. Not every Egyptian cotton style carries a non-iron treatment, so check before assuming you can skip the iron. The cost per shirt is also the highest in the range, which makes it a poor choice for stocking a whole wardrobe. Buy two, keep them for good, and buy twill for Tuesdays.
Fibre: Long-staple Egyptian cotton
Hand: Finer and smoother than standard weaves
Position: Upper end of the shirt range
Best for: Interviews, weddings and formal occasions
Pros
Noticeably smoother and finer against the skin
Subtle lustre and a cleaner drape, especially in white
The most formal-looking option in the range
Cons
Fine cloth wears at the collar and cuffs faster on daily rotation
Not every style carries a non-iron finish – check before buying
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6
Best for winter
Flannel Shirt
★★★★★4.0/ 5
4.0Score
Flannel is the one shirt in this range you buy for warmth, and in a British winter that turns out to be useful.
Why we rate it
Flannel is cotton that has been brushed to raise a soft nap, which traps air and makes the cloth noticeably warmer and softer than a plain weave. In practice it is a winter shirt: worn open over a t-shirt, under a jumper, or buttoned with jeans and boots. It covers a gap the rest of the range leaves, because twill and poplin are year-round office shirts and an Oxford is only moderately warm. For working from home in a cold house, or for weekends from October onwards, it is the most comfortable thing here.
It is also the least formal and least versatile shirt in this guide, and the brushed surface behaves differently in the wash. Flannel can pill where a bag strap or seatbelt rubs and the nap flattens over time, so it will not look new for as long as a smooth weave. It is too warm for spring through to September and will not pass as a dress shirt under a suit. Buy it as a deliberate winter addition, in a fit you can layer over something, rather than as part of your shirt rotation.
Cloth: Brushed cotton flannel
Weight: Winter weight
Best with: T-shirts underneath, jumpers over, jeans
Season: Autumn and winter
Pros
Genuinely warm, which nothing else in the range offers
Softest cloth here and comfortable worn directly on the skin
Works open as a layer or buttoned as a shirt
Fills the casual winter gap left by the formal weaves
Cons
Far too warm for spring and summer
Pills and the nap flattens where straps and belts rub
Too casual to wear under a suit or for formal occasions
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Methodology
How we rank
We assess products on construction and claims we can verify — not on which brand pays most.
Claims checked against spec
We test marketing claims against the actual published construction and specification, rather than taking a product name at face value.
Like for like within a range
Every product in a guide is judged against its siblings, so the ranking reflects what you actually choose between.
Certification and durability
Independent certification, materials and build quality all feed into the score, not just headline features.
Matched to real people
A score means nothing without context, so every pick states who it suits, and who should skip it.
Total cost of ownership
We weigh what's included and what isn't, because delivery, fees and accessories change the real price.
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Brands cannot buy a position. Affiliate commissions fund the site but never determine the order or the wording.
FAQ
Before you buy
Which fits does Charles Tyrwhitt offer?
Three: Classic, Slim and Extra slim. The site describes them as generous, tailored and tight respectively, with Slim flagged as the most popular choice.
There is no fit narrower than Extra slim. Classic and Slim shirts are made with back pleats for ease of movement, while Extra slim uses back darts instead, which is worth knowing if you dislike pleating.
Are the non-iron shirts really non-iron?
They come out of a correct wash and dry cycle looking crisp and wearable, which is a real and substantial benefit if you wear shirts daily. The brand's guidance involves a warm wash, a slow spin and a low-heat tumble to activate the finish.
They are not a promise that you will never touch an iron. Wash them cold, leave them creased in the drum or skip the dryer and you will need a press, and the finish does fade over many washes.
What is the difference between twill and poplin?
Twill is woven with a diagonal structure that makes it a little heavier, softer in the hand and more forgiving of creases. It is the easiest everyday choice and drapes well under a jacket.
Poplin is a flat, smooth plain weave that is lighter and crisper. It looks sharper and is more comfortable in warm weather, but it shows creases more readily and can be slightly transparent in white.
Is a cutaway collar better than a classic?
Neither is better, they do different jobs. A classic collar sits closer and is the safest all-purpose option. Cutaway collars open wider, which accommodates bigger tie knots and broadens a narrow face.
There are semi-cutaway and extreme cutaway options too, so the spread is a sliding scale rather than two choices. If you rarely wear a tie, a button-down collar holds its shape better when open.
Pick the weave, then the fit, then the collar
Measure your neck and sleeve once and the rest of the range opens up. A non-iron twill in the right fit is the shirt most people should own several of, with a poplin for formal days and an Oxford for weekends — and exchange rather than refund if the first one is not quite right.
Check price
Weaves, fits and collar options change with the season, confirm current details and care instructions before ordering.
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