Wool Blazers for Women: Fabrics, Fit and the Ones Worth Buying

The short answer: a wool blazer is the most versatile jacket a woman can own, because wool breathes, resists creasing and keeps its shape for years. Virgin wool (wool spun for the first time) gives the crispest tailoring. A wool and cashmere blend is softer and warmer. Wool, silk and cashmere adds a subtle sheen. Wool and alpaca brings warmth and texture. The house that has done more for the wool blazer than almost any other in recent years is Blazé Milano, which cuts nearly all its signature jackets in Italian wool cloths.

Wool blazers are the backbone of Coveti’s blazer edit, and for good reason. Wool is naturally elastic, so it recovers from a day of sitting; it holds a pressed lapel; it handles rain better than cotton. But the label on a blazer can say a lot more than “wool”. This guide decodes the fabrics, explains how a wool blazer should fit and lists the ones worth knowing.

Wool blazer fabrics, decoded

What “virgin wool” means. Virgin wool is wool used for the first time, not recycled from earlier garments. Its fibres are longer and less damaged, which gives a smoother, stronger cloth.

Why add cashmere? A small share of cashmere makes the cloth softer and warmer without losing structure. The Blazé Milano Everyday Blazer in Olmida Green Mix is 92 percent virgin wool and 8 percent cashmere; the Blazé Milano Everyday Blazer in Agape Grey Mix is 80 percent virgin wool and 20 percent cashmere.

Why add alpaca? Alpaca is warm and slightly hairy, which gives a cloth like the Blazé Milano Kasif herringbone (61 percent virgin wool, 30 percent alpaca, 9 percent polyamide) its depth.

Wool weights for every season

Lighter wools (tropical, crepe, wool and mohair) work from spring through autumn and in heated offices. Mid-weight suiting cloths, like most of the checks and pinstripes on Blazé Milano blazers, are three-season fabrics. Heavier flannels, tweeds and wool and alpaca blends belong to winter. If you buy one wool blazer, choose a mid-weight in a neutral colour.

How a wool blazer should fit

Shoulders first. The shoulder seam should end at the edge of your shoulder, because shoulders are almost impossible to alter.

It closes without pulling. Buttoned, the front should lie flat. An X-shaped crease around the button means it is too small.

Sleeves end at the wrist bone. Sleeve length is the easiest alteration, so do not let it decide your size.

Know the cut. Blazé Milano makes three main double-breasted cuts: the straight, regular-fit Everyday; the slim hourglass Charmer; the oversized, boxy Everynight and Nightbreak. Blazé Milano sizes 00, 0, I, II, III and IV convert to UK 4, 6, 8, 10, 12 and 14 (US 2 to 12, Italian 36 to 46). The brand recommends your usual size for the Everyday and Charmer and one size smaller for the oversized styles. Our guide to how a blazer should fit goes further.

Patterned wool: checks, pinstripes, herringbone

Wool takes pattern beautifully, and a patterned wool blazer counts as a neutral once you know how to wear it. A grey check like Bravado sits with black, white and camel. A pinstripe like the Blazé Milano Charmer Blazer in Classy Carbon Black reads as classic menswear made feminine by the hourglass cut. A brown check like the Blazé Milano Everyday Blazer in Moat Multicolor is the warmest of the three. See our guides to check blazers, pinstripe blazers and herringbone blazers.

Other wool blazers worth knowing

For a fitted, minimal black, the The Attico Cropped Wool Blazer in Black. For navy pinstripe, the Versace Pinstripe Wool Blazer in Navy. For camel, the Max Mara Umico Double-Breasted Wool Blazer in Camel and the Bogner Janina Virgin Wool Blazer in Camel. For a relaxed navy, the Frankie Shop Cazal Tailored Blazer in Navy.

How to care for a wool blazer

Wool needs less cleaning than you think. Brush it after wearing with a soft clothes brush to lift dust, hang it on a wide, shaped hanger, and give it a day off between wears so the fibres recover. Steam out creases instead of ironing them flat. Dry clean only when it is genuinely dirty, perhaps once a season, because frequent cleaning wears the cloth. Store in a breathable cotton bag with cedar; Blazé Milano supplies its blazers with a branded cotton garment bag.

Where to start

If you are buying one wool blazer to last, choose a mid-weight virgin wool in grey, navy, camel, black. The Blazé Milano Everyday Blazer in Bravado Grey and the Blazé Milano Charmer Blazer in Mystere Night Blue are two of the most versatile. Our grey blazer guide and navy blazer guide help you choose between them.

Frequently asked questions

Is a wool blazer worth it?

Yes, if you wear tailoring often. Wool breathes, resists creases, recovers its shape and lasts for years with simple care, which makes the cost per wear low.

What is the difference between wool and virgin wool?

Virgin wool is wool spun for the first time, not recycled from earlier textiles. Its longer, undamaged fibres make a smoother, stronger cloth.

Can you wear a wool blazer in summer?

Lightweight wools such as tropical wool, crepe and wool and mohair are comfortable in warm weather. Heavier flannels and alpaca blends are for winter.

How often should you dry clean a wool blazer?

Rarely: perhaps once a season unless it is stained. Brush it after wearing, air it and steam out creases between cleanings.

What are Blazé Milano blazers made of?

Most are Italian wool cloths: virgin wool for Bravado, Moat and Classy Carbon; wool and cashmere for Mystere, Olmida and Agape; wool, silk and cashmere for Corinthian; wool and alpaca for Kasif. Some seasonal styles use satin, velvet and viscose.

Should a wool blazer be fitted?

It depends on the cut you want. An hourglass blazer is slim through the waist, a regular blazer skims the body and an oversized blazer is boxy by design. All three should fit at the shoulder.