Men's trousers, with Italian sizing actually converted

Italian sizing, and the disagreement nobody flags

Briglia, MMX, RRD and Montecore sell in Italian numerics, roughly IT 44 to IT 58. If you wear a 36 waist, you need to know what that is, and this is where it gets awkward.

The two published conversion tables we could find do not agree.

Angelico, an Italian menswear maker publishing its own conversion, gives IT 44 as 29 inches, 46 as 30, 48 as 32, 50 as 34, 52 as 36, 54 as 38, 56 as 40 and 58 as 42. That is a consistent rule: inches equals the Italian number minus 16.

A widely-cited conversion site gives the same figures up to IT 50, then breaks the pattern: 52 as 38, 54 as 42, 56 as 46.

At IT 52 and above, those two tables are two to four inches apart. That is not a rounding difference, it is a different trouser.

We are going with the Angelico table, because it is internally consistent and it comes from an Italian maker rather than an aggregator. But the point worth taking away is that if you google this, you will find two answers and no way to tell which is right.

The reliable method beats both: take a pair of trousers you already own and like, lay them flat, measure across the waistband and double it. That number is what to match.

Rise, and why it changes the whole trouser

Rise is measured from the top of the waistband to the crotch seam, and front rise and back rise are different measurements.

High rise sits on the natural waist, between the ribs and the hip bones. Mid rise sits at or just above the narrowest point of the hip bone. Low rise sits below it.

As indicative figures: mid-rise dress trousers run around 30cm front rise, mid-rise chinos around 28cm, and high-rise trousers 33 to 35cm. Treat those as one writer's measurements of their own trousers rather than a standard, because no published standard for trouser rise bands exists that we could find.

Rise matters more than most people realise. A trouser that fits your waist and seat but has the wrong rise will pull at the crotch or sag, and no amount of alteration fixes it.

The cloths

Corduroy is measured in wales, which are ridges per inch. The full range runs roughly 1.5 to 21 wales, and 8 to 12 is the normal band for trousers. Finer counts belong on shirts and jackets. A lower wale number means a chunkier, more pronounced rib.

Moleskin is a brushed cotton twill, warmer than cord, and effectively a winter cloth.

Cavalry twill is a dense twill with paired diagonal lines and a matte finish. It holds its shape and works year round.

Flannel is milled wool with a raised surface and it is the default cloth for a separate trouser.

High-twist wools, sold as Fresco or Crispaire, are the warm weather formal option and sit around 11oz. Heavy Irish linen at 350g and above wears well but lasts roughly half as long as a high-twist wool, which is worth knowing before you spend.

Chinos and trousers

A chino is a trouser, so the question is really about formality. Chinos are cotton twill, usually with a flat front and slant pockets, and they sit at the casual end. What most people mean by trousers is a wool or wool-blend cloth with a smarter finish, on-seam pockets and often a side adjuster instead of belt loops.

Side adjusters are worth looking for if you dislike belts. They sit flat under a jacket and they let you fine-tune the waist by an inch either way.

Tapered, slim, straight

Tapered means the leg narrows from the knee down, regardless of how wide it starts. A trouser can be roomy through the thigh and still tapered.

Slim describes the whole leg being cut close. Straight means the leg width stays roughly constant from knee to hem.

They are describing different things, which is why a trouser can legitimately be both slim and tapered, or straight and wide.