Isaia Blazers

Isaia is Neapolitan tailoring at close to its best, and the thing that distinguishes it from the Milanese houses is the shoulder — soft, lightly padded, with the sleeve set in by hand so the head gathers rather than sits flat. That construction is expensive to make and almost invisible in a listing photo, which is why these jackets are regularly priced as ordinary Italian tailoring.

11 pieces curated featuring Isaia

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Isaia Napoli Blazer Men's 44R Brown Super 110's Single Breasted Surgeon Cuffs

Free shipping Listed 14d ago

Surgeon cuffs on a three-button Isaia -- working buttonholes that signal full canvas construction, not the fused front common at this price.

10.0 /10

Isaia $122 $2,495–$3,495$3,495(96% Off Est. Retail96% Off Est Retail)

Isaia Aquaspider Blazer 44R Base S Wool Black Sport Coat 3 Button Made in Italy

100.0% · 4,950 ratings +$13 shipping Listed 5d ago

Aquaspider is the name Isaia gave its unlined, water-repellent wool construction -- a Neapolitan tailoring trick that shouldn't exist at this price.

10.0 /10

Isaia $115 $2,495–$3,295$3,295(96% Off Est. Retail96% Off Est Retail)

Isaia Napoli Blazer Men's 42R Black Cashmere Blend Super 120's Surgeon Cuffs

Free shipping Listed 19d ago

Surgeon cuffs on a ready-to-wear jacket signal hand-finished buttonholes that most buyers never inspect closely enough to demand.

10.0 /10

Isaia $90 $2,495–$3,495$3,495(97% Off Est. Retail97% Off Est Retail)

Giorgio's Of Palm Beach Isaia Gray Orange Check Wool Cashmere Blazer 44R Italy

Free shipping Listed 22d ago

The Cary G. model is Isaia's unstructured, Neapolitan-shouldered cut a silhouette that usually commands a multiple of this ask even secondhand.

10.0 /10

Isaia $119 $2,495–$3,495$3,495(96% Off Est. Retail96% Off Est Retail)

Mens Isaia Napoli Gray 3 Button Suit Jacket Sport Coat Surgeons Cuff 120s 42L

99.9% · 14,013 ratings +$13 shipping Listed 10 months ago

An Isaia Napoli sport coat in 120s wool, priced where diffusion labels normally sit -- the kind of construction that typically commands significantly more even used.

10.0 /10

Isaia $80 $2,495–$3,495$3,495(97% Off Est. Retail97% Off Est Retail)

Isaia Super 130's Blazer (42) Blue Striped Notch-Lapel Pockets 2-Button Wool

100.0% · 7,918 ratings +$10 shipping Listed 9 months ago

Isaia's Super 130's blazer—the fabric weight that made the Neapolitan brand a reference point for Italian ready-to-wear—sitting where the stripe pattern and six-month tenure suggest the audience who recognize this tier simply hasn't matched with this particular piece.

10.0 /10

Isaia $100 $2,495–$3,295$3,295(97% Off Est. Retail97% Off Est Retail)

Isaia Napoli Sport Coat Men US 44 (tag IT54) Brown Cashmere Gianluca Cashmere

99.7% · 5,017 ratings Free shipping Listed 13 months ago

Isaia's Gianluca cut in cashmere—the combination that made the brand a reference point for Neapolitan tailoring—here where the trim chest and higher button stance have kept it waiting.

10.0 /10

Isaia $87 $3,200–$4,500$4,500(98% Off Est. Retail98% Off Est Retail)

Isaia Napoli Blazer Mens Navy Blue Pinstripe Sport Coat Excellent 2-Button

99.4% · 1,221 ratings Free shipping Listed 4d ago

A structured navy pinstripe from a Neapolitan house, sitting where secondary-line blazers usually land.

9.0 /10

Isaia $164 $2,800–$3,600$3,600(95% Off Est. Retail95% Off Est Retail)

Isaia Napoli Super 130s Wool Striped Patterned Blazer Sport Coat Suit Jacket 42

99.2% · 482 ratings Free shipping Listed 14d ago

Super 130s wool from a Neapolitan house, cut with the soft shoulder that travels poorly in photos.

9.0 /10

Isaia $120 $2,200–$3,200$3,200(96% Off Est. Retail96% Off Est Retail)

Gianluca Isaia Super 120'S Black Surgeon Cuff Men Blazer Jacket 100% Wool Sz 46R

100.0% · 2,295 ratings +$15 shipping Listed 22d ago

Surgeon's cuffs on a working buttonhole jacket signal a Neapolitan construction detail most off-the-rack makers skip.

9.0 /10

Isaia $128 $1,800–$2,500$2,500(94% Off Est. Retail94% Off Est Retail)

Isaia Napoli Mens 3-Button Striped Gray Blazer Sport Jacket Size 40R USA

100.0% · 3,887 ratings Free shipping Listed 17d ago

Isaia's signature coral lapel pin, absent here, is the tell that separates the house's core line from its diffusion pieces -- and this jacket carries the full Napoli construction without it.

8.0 /10

Isaia $130 $2,800–$3,600$3,600(96% Off Est. Retail96% Off Est Retail)

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Buying Secondhand Isaia Blazers

Isaia jackets are worth knowing in some detail because the house runs several cuts and the differences matter more than the fabric does. The shoulder treatment is the signature, the model name tells you the silhouette, and the condition issues are the ones common to soft tailoring rather than to structured suits.

Base S Is the Cut Most Buyers Want

Base S is Isaia's signature model — a soft, lightly structured jacket with a barchetta breast pocket and patch pockets on the hips, cut close through the chest with a high armhole. It's the one that reads as Neapolitan on sight. The house also makes more structured models and a heavier Gregory cut, which are good jackets but a different proposition. The model is named on the interior label, and since listings frequently describe every Isaia as simply an Isaia blazer, checking it is the quickest way to know what silhouette you're getting.

The Shoulder Is the Thing to Look At

The spalla camicia — a shirt-style shoulder where the sleevehead gathers slightly where it meets the body — is what you're paying for, and it shows up clearly in a photo of the jacket on a hanger. A flat, smooth sleevehead means a more structured model. Because there's little padding to redistribute stress, check the chest front laid flat for distortion, and look at the collar where it rolls. Soft jackets that have been hung on wire hangers develop a shoulder dent that doesn't fully come out.

Isaia Blazers Questions

What is the difference between Isaia's Base S and other models?

Base S is the soft Neapolitan cut with patch pockets and a gathered sleevehead — close through the chest with a high armhole. Other models run more structured. The interior label names which one you have.

Does Isaia run small?

It's cut close through the chest with a high armhole, so it wears slimmer than the tagged Italian size suggests. Shoulder width is the measurement to request, since it's the one a soft jacket can't be altered to fix.

What should I check on a used Isaia jacket?

The chest front laid flat for distortion, the shoulder for hanger dents, and the collar where it rolls. With little internal padding, these are the places soft tailoring shows its history.

Isaia Blazers

No deals match your filters.

Buying Secondhand Isaia Blazers

Base S Is the Cut Most Buyers Want

The Shoulder Is the Thing to Look At

Isaia Blazers Questions

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