O by Jan-Jan Van Essche
Japan
Generous silhouettes and thoughtful restraint define the collection, with pieces designed to move fluidly around the body. Natural fabrics, subtle texture, and careful construction create garments that feel grounded, expressive, and deeply wearable, intended to evolve through wear rather than follow seasons.
O by Jan-Jan Van Essche Sleeveless Tee Mesh, Kinari
$200
Designed by the Jan-Jan Van Essche Studio for O-Project, this oversized sleeveless tee is made from a soft cotton mesh with a breathable, light drape. Detailed with center back seam, rib knit armholes, neckline, and hem. FIT Bobby is 6'0" and typically wears a size L in tops. He's wearing the size Large here for a regular fit. Style is running true to size, if between sizes take the smaller. details Made in Japan100% CottonHand Wash
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O by Jan-Jan Van Essche Sleeveless Tee Mesh, Off-Black
$200
Designed by the Jan-Jan Van Essche Studio for O-Project, this oversized sleeveless tee is made from a soft cotton mesh with a breathable, light drape. Detailed with center back seam, rib knit armholes, neckline, and hem. FIT Bobby is 6'0" and typically wears a size L in tops. He's wearing the size Large here for a regular fit. Style is running true to size, if between sizes take the smaller. details Made in Japan100% CottonHand Wash
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O by Jan-Jan Van Essche Oversized Sleeveless Tee, Black
$119
Designed by the Jan-Jan Van Essche Studio for O-Project, this style is an oversized short sleeve tee made with no armhole seam. Cut from a soft cotton jersey with lightweight, subtle drape on the body. Detailed with a thin rib bound neckline, sleeves, and hemline. Finished with a back horizontal bound seam. fit Bobby is 6’0” and typically wears a size Large. He's wearing the size Large here for a relaxed fit. details Made in Japan100% CottonHand Wash
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O by Jan-Jan Van Essche 3/4 Sleeve Tee, Green Grey
$119
Designed by the Jan-Jan Van Essche Studio for O-Project, this style is an oversized 3/4 sleeve tee made from a soft cotton hemp jersey with lightweight, subtle drape on the body. Details include bound raglan sleeves, rib bound neckline and sleeves, and finished with a slight curved hemline. fit Bobby is 6’0” and typically wears a size Large. He's wearing the size Large here for a relaxed fit. details Made in Japan72% Cotton 28% HempHand Wash
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O by Jan-Jan Van Essche Boubou Tee, Kinari
$275
Designed by the Jan-Jan Van Essche Studio for O-Project, this oversized elongated long sleeve tee with drop shoulders. Made from a soft cotton mesh with a breathable, light drape. Detailed with a horizontal bound back seam, rib knit neckline, sleeve cuffs, and wide hem finishing. FIT Bobby is 6'0" and typically wears a size L in tops. This style is one size. details Made in Japan100% CottonHand Wash
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O by Jan-Jan Van Essche Basic Tee Mesh, Kinari
$158
Designed by the Jan-Jan Van Essche Studio for O-Project, this oversized short sleeve tee is made from a soft cotton mesh with a breathable, light drape. Detailed with a rib knit neckline, sleeve cuffs, and hem. FIT Bobby is 6'0" and typically wears a size L in tops. He's wearing the size Large here for a regular fit. Style is running true to size, if between sizes take the smaller. details Made in Japan100% CottonHand Wash
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O by Jan-Jan Van Essche Basic Tee Mesh, Off-Black
$112
Designed by the Jan-Jan Van Essche Studio for O-Project, this oversized short sleeve tee is made from a soft cotton mesh with a breathable, light drape. Detailed with a rib knit neckline, sleeve cuffs, and hem. FIT Bobby is 6'0" and typically wears a size L in tops. He's wearing the size Large here for a regular fit. Style is running true to size, if between sizes take the smaller. details Made in Japan100% CottonHand Wash
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O by Jan-Jan Van Essche Wide Trousers, Dark Brown
$356
A loose-fitting trouser featuring a long rise and wide leg with a loose top block. Made from a mud-dyed silk taffeta with a light textured hand, and comfortable feel and drape. Featuring an elasticated waistband with cotton drawstring for flexible sizing. Detailed with front pleats, side seam pockets, and large back patch pockets. fit Bobby is 6'0" and typically wears a size 32 in bottoms. He's wearing the size M here for a regular fit. We recommend taking your usual size. DETAILS Made in Japan100% SilkDry Clean
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O by Jan-Jan Van Essche Denim Trousers, Bleached Shadow
$244
A loose-fitting denim trouser featuring a long rise and wide leg with a loose top block. Cut in a bleach treated black denim with a mid-weight feel that holds structure yet fits comfortably. Due to the nature of the fabric treatment, each piece is unique. Featuring flat waistband with interior cotton drawstring for flexible sizing. Detailed with denim pocket detailing, belt loops and button fly. fit Bobby is 6'0" and typically wears a size 32 in bottoms. He's wearing the size M here for a regular fit. We recommend taking your usual size. DETAILS Made in Japan100% CottonHand wash cold
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O by Jan-Jan Van Essche Denim Vest, Bleached Shadow
$237
Designed by the Jan-Jan Van Essche Studio for O-Project, this cargo denim vest features a unique construction that is long in the front with simple strap details in the back. Made from a bleach treated black denim. Due to the nature of the fabric treatment, each piece is unique. Detailed with large flap pockets for all your daily essentials. Finished with a button extension closure in the front. FIT Bobby is 6'0" and typically wears a size L in tops. This style is one size. details Made in Japan100% CottonHand Wash
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O by Jan-Jan Van Essche Denim Vest, Off-Black
$237
Designed by the Jan-Jan Van Essche Studio for O-Project, this cargo vest features a unique construction that is long in the front with simple strap details in the back. Made from a cotton hemp twill. Detailed with large flap pockets for all your daily essentials. Finished with a button extension closure in the front. FIT Bobby is 6'0" and typically wears a size L in tops. This style is one size. details Made in Japan85% Cotton 15% HempHand Wash
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O by Jan-Jan Van Essche Hooded Bomber Jacket, Black
$716
A hooded bomber jacket in a faded black, cut with dropped shoulders and a relaxed bomber silhouette that brings modern ease to outerwear. The hood adds an extra layering dimension while the adjustable hem keeps the form clean and refined. It’s designed for movement and fluid styling, giving the classic bomber a contemporary silhouette. fit Jadan is 6'5" and typically wears an XL in tops. He's wearing the size Large here for a regular fit. If between sizes take the smaller. details Made in Japan100% CottonFull zip with hoodAdjustable hem drawcordDry clean only
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O by Jan-Jan Van Essche Wide Easy Pants, Black
$500
A wide easy pant cut in soft pure wool with a fluid drape and a relaxed silhouette that moves comfortably through the leg. The shape is generous without weight, offering ease through the top block and a straight flow to the hem. Featuring with an elastic waistband has an easy adjustable drawcord. Finished with side seam front pockets and two back pockets Also available in Taupe. fit Jadan is 6'5" and typically wears a size 36 in bottoms. This style has a relaxed wide fit with an adjustable drawstring waist. measurements Small, 30" waistMedium, 32" waistLarge, 34" waistExtra Large, 36" waist details Made in Japan100% WoolDry clean only
Go to product page >$737 $1,053
O by Jan-Jan Van Essche Wool Middle Coat, Hunter
$737
A long collared jacket in a flecked hunter green wool, cut with dropped shoulders and a relaxed silhouette that brings modern ease to outerwear. It’s designed for movement and fluid styling, with 3 large utilitarian patch pockets, buttoned cuffs, and 4-button closure. fit Jadan is 6'5" and typically wears an XL in tops. He's wearing the size Medium here for a regular fit. Style is oversized, if between sizes take the smaller. details Made in BelgiumWool Machine wash cold
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O by Jan-Jan Van Essche Wide Fit Hooded Waffle, Army Green
$378
A wide fit hooded top crafted in a soft waffle knit with an easy drape and army green tone. The silhouette is relaxed through the body with a gentle structure that moves comfortably and layers fluidly. The textured waffle surface adds depth while keeping the piece breathable, making it an essential layer across seasons. Finished with buttoned hand pockets at front hem. Also available in Oatmeal. fit Jadan is 6'5" and typically wears an XL in tops. He's wearing the size Large here for a regular fit. Style is oversized, if between sizes take the smaller. details Made in Belgium100% Cotton waffle knitHooded constructionMachine wash cold
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O by Jan-Jan Van Essche Wide Easy Pants, Taupe
$500
A wide easy pant cut in soft pure wool with a fluid drape and a relaxed silhouette that moves comfortably through the leg. The shape is generous without weight, offering ease through the top block and a straight flow to the hem. Featuring with an elastic waistband has an easy adjustable drawcord. Finished with side seam front pockets and two back pockets Also available in Black. fit Jadan is 6'5" and typically wears a size 36 in bottoms. This style has a relaxed wide fit with an adjustable drawstring waist. measurements Small, 30" waistMedium, 32" waistLarge, 34" waistExtra Large, 36" waist details Made in Japan100% WoolDry clean only
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O by Jan-Jan Van Essche Cable Knit Crewneck, Natural Mix
$416
A wide cable knit sweater crafted in a natural brown, knit with a flexible hand. The silhouette is relaxed through the body with a soft structure that moves comfortably and layers easily. Finished with a rib knit detail at the neck, cuff and hem. fit Jadan is 6'5" and typically wears an XL in tops. He's wearing the size Medium here for a regular fit. Style is oversized, if between sizes take the smaller. details Made in BelgiumWool Machine wash cold
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O by Jan-Jan Van Essche Cable Knit Robe, Dark Mix
$520
A wide cable knit belted sweater cardigan crafted in a natural brown, knit with a flexible hand. The silhouette is relaxed through the body with a soft structure that moves comfortably and layers easily. Detailed with a detachable belt and finished with a wide rib knit detail at the neck, cuff and hem. fit Jadan is 6'5" and typically wears an XL in tops. He's wearing the size Medium here for a regular fit. Style is oversized, if between sizes take the smaller. details Made in BelgiumWool Machine wash cold
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O by Jan-Jan Van Essche Cable Knit Crewneck, Dark Mix
$416
A wide cable knit sweater crafted in a natural brown, knit with a flexible hand. The silhouette is relaxed through the body with a soft structure that moves comfortably and layers easily. Finished with a rib knit detail at the neck, cuff and hem. fit Jadan is 6'5" and typically wears an XL in tops. He's wearing the size Medium here for a regular fit. Style is oversized, if between sizes take the smaller. details Made in BelgiumWool Machine wash cold
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O by Jan-Jan Van Essche Wide Fit Hooded Waffle, Oatmeal
$378
A wide fit hooded top crafted in a soft waffle knit with an easy drape and a warm oatmeal tone. The silhouette is relaxed through the body with a gentle structure that moves comfortably and layers fluidly. The textured waffle surface adds depth while keeping the piece breathable, making it an essential layer across seasons. Finished with buttoned hand pockets at front hem. Also available in Army Green. fit Jadan is 6'5" and typically wears an XL in tops. He's wearing the size Large here for a regular fit. Style is oversized, if between sizes take the smaller. details Made in Belgium100% Cotton waffle knitHooded constructionMachine wash cold
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