Brands / J Koo / Clothing / Jackets & Coats / Black Tailored Blazer

Black Tailored Blazer

Name: Black Tailored Blazer
Brand: J KOO
SKU: 720284644
Price: 349.00 USD
Availability: InStock

J KOO

$349.00

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Product Insights & Style Tips

The J KOO Black Tailored Blazer reads as a quiet power move, dense yet refined. Outer shell blends 60% wool with 30% polyester and 10% Zentra, giving a clean, structured line, while the 100% polyester lining promises a smooth glide. In black, the piece absorbs light for a streamlined backdrop that pairs with every vibe, from boardroom to after-hours.

A versatile layering piece, it partners with knitwear, tees, and dresses alike. The wool blend offers warmth and structure without bulk, while the lining ensures smooth layering over other garments. The tailored line through chest and waist gives a clean, confident silhouette that layers over a shirt or sweater without adding bulk.

J KOO leans into modern city tailoring with a refined edge. This black blazer anchors a capsule wardrobe, pairing with denim and tees or a satin slip for evening. Born in the Republic of Korea, it carries disciplined cut and elevated fabric mix that nods to Seoul's tailoring energy.

Materials / Fabrication

Outshell: Wool 60%, Polyester 30%, Zentra 10%
Linning: Polyester 100%
Color: Black
Country of Origin: Republic of Korea

Recommended Care

Professional dry cleaning recommended based on wool content.
If washing at home, use cold water and a gentle wool detergent.
Do not wring or twist; reshape while damp.
Lay flat to dry away from direct heat.
Store folded to avoid stretching or misshaping.

Fit Notes

Tailored through the body for a clean blazer silhouette.
Outer shell blends wool, polyester and Zentra with a polyester lining for a smooth finish.
Lining is 100% polyester, supporting easy layering over tops.

Styling Tips

Layer it over a knitwear top to keep the blazer's tailored line polished.
Wear it with pants to create a streamlined silhouette.
Finish with pumps to lift the look with a clean, leg-lengthening line.

Style Check

Aesthetics: 8/10

The blazer presents a clean, razor sharp silhouette with a commanding presence in classic black. The tailored lines suggest precision, while the wool blend adds subtle depth and gravity, leaning editorial rather than trend chasing. Its restrained yet poised mood makes it an instant anchor piece for high fashion looks.

Craftsmanship: 7/10

The silhouette reads as precise and structured, with clean lapel line and balanced proportion that suggests thoughtful tailoring. The wool blend should give durable, smooth drape, while the full polyester lining promises comfortable fit and longevity. Visual cues hint at sturdy construction, though close inspection would confirm stitch density and edge finishing.

Affordability: $$$$

The price sits in a solid mid premium range for a wool blend tailored blazer. The clean construction, timeless silhouette, and Versatile black palette support a lasting wardrobe staple, making the cost feel justified rather than excessive. It reads as an investment piece that can elevate multiple looks.

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About J Koo

J Koo is a Korean fashion label that was founded by Central Saint Martins graduates Yeonjoo Koo and Jinwoo Choi. The husband-and-wife duo draws inspiration from traditional British menswear tailoring techniques into its sophisticated, modern designs. Shop the latest collection from J Koo, ranging in blazers, dresses, sweaters, trousers and jackets.