J KOO a black round sleeve jacket
J KOO a black round sleeve jacket

a black round sleeve jacket

J KOO

$367.00

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Product Insights & Style Tips

The J KOO black round sleeve jacket captures city cool with a quiet, refined mood. The outer shell is a wool 90% / nylon 10% blend, delivering a soft yet defined hand that holds its shape. A 100% polyester lining keeps things smooth against the skin, while the black color and clean lines feel effortlessly versatile. The coat-like spirit hints at understated luxury with a hint of Korean craftsmanship from the Republic of Korea.

For wear, the round sleeve silhouette offers a neat frame that layers easily over tees, knits, or dresses. The wool blend provides warmth without bulk, and the smooth lining makes on-off glide feel easy. It drapes a clean line through the torso, accommodating movement and transitions from day to evening as the setting shifts.

J KOO sits at the intersection of modern Korean minimalism and practical luxury. This jacket speaks to that code with a restrained, versatile shape that anchors a monochrome capsule. Pair it with tailored trousers for a city look, or toss it over a slip dress for an elevated evening vibe.

Materials / Fabrication

  • Outshell: Wool 90%, Nylon 10%
  • Linning: Polyester 100%
  • Color: Black
  • Country of Origin: Republic of Korea

Recommended Care

  • Professional dry cleaning strongly recommended.
  • If hand washing is necessary, use cold water and a gentle wool detergent.
  • Do not wring or twist; reshape while damp.
  • Lay flat or hang to dry away from direct heat.
  • Store on a padded hanger to maintain shape.

Fit Notes

  • Outer fabric is wool 90% with a 10% nylon blend for a structured feel through the body.
  • Lining is polyester 100%.
  • Color is black, a versatile option for many outfits.
J KOO a black round sleeve jacket

Styling Tips

  • Layer it over a knitwear top to keep the round-sleeve silhouette balanced.
  • Pair with denim for a cohesive texture contrast with the wool outer.
  • Finish with flats for a streamlined, versatile finish.

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.