The wool blazer is the piece that makes tailoring feel like clothing again. This edit is about real wool jackets with enough substance to hold a shape, whether you prefer a single-breasted line, a broad double-breasted front or a cropped proportion. Wool matters because it gives a blazer presence without asking you to keep adjusting it, and it works across more of the year than a lightweight fashion jacket. My rule is to decide on the shoulder and the button stance first. If those are right, a little volume through the body looks modern. If they are wrong, expensive cloth only makes the mistake more obvious. I look for a lining that lets the jacket move, sleeves that can be pushed up, and a length that has a clear relationship with the trousers or skirt underneath. In practical terms, keep the first purchase in a price band you can wear without fear, then spend more on a cut or cloth that genuinely changes your wardrobe. Check the fibre description carefully, too. A wool blend can be perfectly sensible, but it should not be priced like a rare fabric simply because the label is famous. Below, the wool blazers I would wear to work, on weekends and everywhere in between.

Loro Piana makes jackets for people who notice cloth first. The appeal is not a loud logo or a complicated silhouette, but the way a substantial fabric makes even a simple shape feel considered. The Oversized double-breasted virgin wool blazer at $3,650 is the proper workhorse here, with enough room to layer and enough structure to avoid looking borrowed. The Pinstriped linen, wool and silk-blend blazer at $3,650 has a lighter, more relaxed character, while the Jaylon belted linen and wool-blend jacket at $3,975 is the one I would choose for a softer waist. If you want the most tactile option, the Cashmere jacket at $8,400 is a serious purchase, and I would only make it if you know you will reach for it often. Loro Piana is expensive, but its quietness makes the pieces unusually easy to live with.

Single and double-breasted shapes are the reliable centre of the blazer wardrobe. The Donau double-breasted wool blazer from Loulou de Saison at $520 is the sensible buy, with a straightforward proportion and a price that leaves room for tailoring. The Double-breasted oversized wool-twill blazer from Stella McCartney at $1,890 has more volume and would look best over a fine knit rather than a bulky layer. For a sharper evening line, the Double-breasted wool and mohair-blend blazer from Saint Laurent at $3,700 is the statement version. The romane double breasted wool blend jacket from Proenza Schouler at $1,990 sits between the two, more shaped than oversized but not rigid. I judge these jackets by how they close. A blazer should button without pulling, even if you plan to wear it open.

Oversized and cropped blazers are opposites, but both work when the outfit acknowledges the proportion. The Devlin oversized wool blazer from The Row at $4,400 needs a narrow trouser or a bare leg underneath to keep the volume deliberate. The cropped belted wool jacket from Dries Van Noten at $2,055 does the reverse, so I would pair it with a higher rise and a longer line below. The Cropped wool-crepe jacket from Valentino Garavani at $4,000 is polished enough for a dress, while the Tweed cropped jacket from Balmain at $2,690 brings a more decorative mood. The Doubled-breasted oversized wool blazer from Stella McCartney at $1,850 is a useful middle ground. I would have a tailor check the sleeve length. A cropped sleeve can look intentional; an accidental one looks short.

Tweed, check and bouclé are for days when a plain blazer feels too dutiful. The Pinstriped wool-blend seersucker blazer from Max Mara at $1,790 has a lighter texture and a clean pattern, making it the easiest of this group to wear with denim. The Mxmpalmizi fringed wool-bouclé jacket from Max Mara at $1,390 is tactile and should be kept away from fussy accessories. For a classic check, the double breasted checked wool blazer from Chloé at $3,290 has enough scale to read as tailoring rather than country costume. The Stormy checked asymmetric wool-blend blazer from Vivienne Westwood at $2,055 is the one for a more individual wardrobe, with an irregular line that needs no extra decoration. A textured jacket gives an outfit a focal point. Do not add a second.

The Shopping List collects jackets that resist one silhouette but make a wardrobe work harder. The Jamison wool-twill jacket from Nili Lotan at $1,190 is relaxed enough for jeans and serious enough for trousers. The rolo double breasted wool and silk blend blazer from Khaite at $3,600 has a precise finish, while the wool blend twill jacket from Dries Van Noten at $1,755 suits a softer interpretation of tailoring. The arden wool jacket from Victoria Beckham at $1,950 is clean and controlled. For evening, the Embellished feather-trimmed wool and silk-blend crepe de chine jacket from Valentino Garavani at $4,200 is excessive. The Hourglass houndstooth double-breasted wool blazer from Balenciaga at $3,550 is the stronger buy if you want one jacket to make the whole outfit.

My honest opinion is that a blazer should be altered before it is judged. Sleeves are easy to fix, the waist can often be refined, and a small change in length can make an expensive jacket look made for you. I would not, however, try to rescue a bad shoulder. That is where the architecture lives, and no tailor can turn a narrow shoulder into a relaxed one without changing the whole garment. Store wool on a broad hanger, leave space between jackets, and brush the cloth rather than sending everything to the dry cleaner after one wear. If a jacket has a strong pattern or an unusual shape, wear it with the simplest possible base. Tailoring looks richest when it has room to speak. Phoebe