Isaia Men's Sale

Isaia occupies an interesting space secondhand — quality that approaches Kiton and Cesare Attolini at prices that don't always reflect it. The suits are the primary draw, but the unstructured jackets and knitwear are frequently overlooked. Look for the Isaia Napoli label over the main line.

Shop 16 Isaia deals in our collection. Priced an average of 94% off estimated retail.

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ISAIA Dustin Aqualight Wool & Silk 150's Black Sport Coat Blazer Jacket 42 R

99.8% · 957 ratings +$10 shipping Listed 12d ago

Isaia's Dustin cut -- the unstructured Neapolitan shoulder that made the brand a fixture in the Naples tailoring conversation -- priced where secondary-line blazers usually sit.

10.0 /10

Isaia $150 $2,495–$3,295$3,295(95% Off Est. Retail95% Off Est Retail)

ISAIA Napoli Sz 42 Base S Gray Prinstripe Jacket Blazer Wool Blend Italy 8R

100.0% · 1,175 ratings +$12 shipping Listed 13d ago

Isaia's Base S cut in a classic gray pinstripe -- a mainline piece listed before the resale audience has seen it.

10.0 /10

Isaia $150 $2,495–$3,295$3,295(95% Off Est. Retail95% Off Est Retail)

GIANLUCA ISAIA Napoli - Dark Tan Windowpane Men's Sport Coat 40R/50EU 100% Wool

100.0% · 159 ratings Free shipping Listed 1 month ago

Gianluca Isaia Napoli in a dark tan windowpane -- a label that rarely appears in this channel, and a pattern that narrows the field further.

10.0 /10

Isaia $81 $2,800–$3,800$3,800(98% Off Est. Retail98% Off Est Retail)

Isaia for Saks Fifth Avenue Light Gray Plaid Wool Fleece 2-Btn Blazer Jacket 40R

99.8% · 61,978 ratings +$15 shipping Listed 19d ago

An Isaia blazer in a light gray plaid wool fleece, sized 40R, with the brand signal conflict noted in the title itself.

10.0 /10

Isaia $143 $895–$1,295$1,295(87% Off Est. Retail87% 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 8 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 $100 $2,495–$3,495$3,495(97% Off Est. Retail97% Off Est Retail)

Isaia Napoli Sport Coat Mens 56R Wool Black Pinstripe Blazer 3 Button ITALY

99.8% · 2,220 ratings +$10 shipping Listed 7 months ago

Isaia's Napoli line built the brand's reputation for soft-shoulder tailoring—yet this one, in the formal pinstripe that narrows its audience, has sat for months where the label's following hasn't found it.

10.0 /10

Isaia $120 $2,800–$3,600$3,600(96% Off Est. Retail96% Off Est Retail)

Isaia Napoli Mens 40R 100% Wool Striped Blue Marco 3 BTN Blazer Jacket Coat Roll

100.0% · 4,834 ratings +$9 shipping Listed 16 months ago

Isaia's Marco cut—the three-button silhouette that defines Neapolitan tailoring—with hand-finished shoulders and the soft construction that made the brand a reference point, though the 'Napoli' in the title leaves you to judge whether the fabric and build match the label.

10.0 /10

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

Isaia Napoli Mens 40R 100% Wool Beige Brown Marco 3 BTN Blazer Jacket Coat Roll

100.0% · 4,834 ratings +$9 shipping Listed 16 months ago

Isaia's Marco cut—the three-button silhouette that justifies the brand's place above most Italian ready-to-wear—sits untouched after more than a year, with the 'Good' condition rating and conservative colorway likely thinning demand.

10.0 /10

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

Gianluca Isaia Napoli Men's Wool Birdseye Italian Blazer Jacket Sport Coat 43 R

99.8% · 7,382 ratings +$12 shipping Listed 1 month ago

The Gianluca Isaia Napoli label—Neiman Marcus's diffusion line, not the core brand—means softer construction and different cloth sourcing than the tailoring Isaia is known for, which is why two weeks on the market hasn't moved it despite the price.

10.0 /10

Isaia $115 $1,495–$2,295$2,295(94% Off Est. Retail94% Off Est Retail)

Isaia Napoli Men's Suit Jacket Size 42 Long Navy Blue 3 Button Super 130s Blazer

99.8% · 31,976 ratings +$8 shipping Listed 30 months ago

Isaia's Super 130s wool sits at the top of Italian ready-to-wear tailoring, yet this mainline Napoli blazer has sat for more than six months—suggesting the platform or the cut itself is drawing a narrower eye than the cloth deserves.

10.0 /10

Isaia $109 $2,495–$3,495$3,495(96% Off Est. Retail96% Off Est Retail)

Isaia Napoli Blazer Sport Coat 40L Super 120's Wool Solid Gray 3-Button Jacket

99.8% · 3,502 ratings +$11 shipping Listed 2 months ago

Isaia's Napoli cut runs with a higher button stance and trimmer chest than most soft-shoulder tailoring—check your measurements against this 40L specifically, not your usual size.

10.0 /10

Isaia $110 $2,200–$2,800$2,800(96% Off Est. Retail96% Off Est Retail)

ISAIA men's sport jacket - beige / brown check plaid - EU 56R / US 44R

99.9% · 18,483 ratings +$12 shipping Listed 4 months ago

Isaia's two-button sport coat in a substantial wool check—the cut that made the Neapolitan brand a reference point for soft-shouldered tailoring—sitting where the beige-brown colorway reads as dated to some buyers, and the smaller pool who recognize its value here simply hasn't connected.

10.0 /10

Isaia $100 $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 7 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 for Saks 5th Avenue 2 Btn Sport Coat Gray Orange Check Wool Cashmere 41 R

96.0% · 4,508 ratings +$13 shipping Listed 113 months ago

Isaia's wool-cashmere checks are what the brand is known for—here in a house-label version that's kept it waiting while mainline pieces move.

10.0 /10

Isaia $100 $450–$700$700(83% Off Est. Retail83% Off Est Retail)

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

99.7% · 5,017 ratings Free shipping Listed 11 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 $79 $3,200–$4,500$4,500(98% Off Est. Retail98% Off Est Retail)

Isaia Napoli Men's Blazer 100% Cashmere Jacket Plaid Brown Check Italy Size 48R

100.0% · 1 ratings +$5 shipping Listed 11 months ago

Isaia's cashmere tailoring—the construction that made the Neapolitan brand a reference for soft-shouldered Italian elegance—here where summer timing and a trim-shouldered cut have kept it waiting.

7.0 /10

Isaia $160 $3,200–$3,600$3,600(95% Off Est. Retail95% Off Est Retail)

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Buying a Secondhand Isaia Suit: What to Know Before You Bid

Isaia sits in an interesting position on the secondhand market. The Naples-made tailoring is genuinely excellent, the fabrics are sourced from the same mills as houses that cost considerably more, and the secondary market prices have stayed rational. The catch is that fit, construction condition, and knowing which product line you are actually buying all require some homework. Get those right and a used Isaia suit or sport coat is one of the more compelling buys available.

Isaia Sanita vs Gregory: Which Model Is Worth Buying Secondhand?

The Sanita is the construction to look for. It uses a full floating canvas, a hand-sewn spalla camicia shoulder, and pick-stitching on the lapels that reflects genuine hand finishing. The Gregory is cut with a slightly more relaxed chest and a lower button stance, which tends to wear better on modern proportions and has aged more gracefully than some earlier Isaia silhouettes. Both are worth buying. If you are choosing based on fit, the Gregory is friendlier to a wider range of bodies. If you want the most traditional Neapolitan construction Isaia offers at the price point, the Sanita is the reference piece.

Isaia Suit Sizing: Why the Tagged Size Is Misleading

This is the most practically important thing to know. Isaia uses European sizing with a drop (the difference between jacket chest measurement and trouser waist) that typically runs at 6 or 7. A tagged 52 jacket does not reliably correspond to a US size 42, and the trousers in any given suit will almost certainly be cut slimmer in the waist than American buyers expect. The result is that most secondhand Isaia suits effectively need to be bought as separates, with the expectation that the trousers will require letting out at the waist. That is a workable alteration on most pairs, but it is worth knowing before you bid. Always ask sellers for the actual measured chest, waist, and seat.

Condition Red Flags on Used Isaia Jackets and Suits

Two things are worth inspecting carefully. The first is the shoulder. The spalla camicia construction, where the sleeve is attached with a slight gather at the shoulder seam, is the signature of Neapolitan tailoring and is also the hardest element to repair if it has been disturbed. Look for any puckering, asymmetry, or signs that the sleeve has been reset. The second is the chest canvas. Full canvas construction is one of Isaia's real advantages over fused alternatives, but canvas that has been stored badly or exposed to moisture can delaminate, creating a bubbled appearance across the chest front. Ask sellers to photograph the jacket laid flat under good light.

Secondhand Isaia: Frequently Asked Questions

Is Isaia full canvas or fused?

Mainline Isaia tailoring (Sanita, Gregory, and the main suit lines) uses full floating canvas construction. However, Isaia also produced licensed and department-store pieces under the brand name that used half-canvas or fused construction. The tell is in the interior: genuine full-canvas Isaia suits will show the canvas through the lapel if you pinch and separate the layers slightly, and the overall interior finishing will be cleaner and more detailed than the licensed product.

Does Isaia run small compared to American sizing?

Yes, in the trousers particularly. The jackets generally correspond roughly to European sizing (a 52 is approximately a US 42), but the drop cut means the trouser waist runs noticeably slimmer relative to the jacket chest than American sizing conventions. Most buyers who fit the jacket will need to let out the trousers. This is a consistent characteristic across the line, not a variation by era or model.

What is the difference between Isaia and Kiton secondhand?

Kiton is priced higher on the secondary market and represents a more intensely hand-finished product, with a higher proportion of hand stitching throughout. Isaia offers comparable fabric quality at the mainline level and the same Neapolitan shoulder construction, but at a lower secondary market price point. For most buyers, the difference in wearable quality between a well-preserved Isaia Sanita and an equivalent Kiton is smaller than the price gap suggests.

How do I tell if a secondhand Isaia suit is authentic?

Focus on three things: the interior label and its finishing quality, the buttons (mainline Isaia uses horn buttons with clean attachment), and the pick-stitching on the lapels. The lapel stitching should be irregular in a way that indicates hand work rather than perfectly even machine stitching. Misrepresented licensed or diffusion product sold as mainline Naples construction is common. If the price is unusually low and the seller cannot confirm the country of manufacture, treat it as diffusion until proven otherwise.

Where can I buy pre-owned Isaia menswear?

Right here — this page collects pre-owned and secondhand Isaia menswear from live eBay listings, scored against current market pricing so the resale deals worth acting on sort to the top. Stock turns over daily as pieces sell.

Isaia Men's Sale

No deals match your filters.

Buying a Secondhand Isaia Suit: What to Know Before You Bid

Isaia Sanita vs Gregory: Which Model Is Worth Buying Secondhand?

Isaia Suit Sizing: Why the Tagged Size Is Misleading

Condition Red Flags on Used Isaia Jackets and Suits

Secondhand Isaia: Frequently Asked Questions

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