Calvin Klein x BTS Jung Kook First Collab Capsule Collection – CKJK

On May 19, 2026, at 6 p.m. EDT, Calvin Klein dropped what fans had been waiting for since Jung Kook first stepped in front of their cameras: his first hands-on creative collision. Officially titled Jung Kook for Calvin Klein (or CKJK for short), this 20-piece unisex capsule collection fuses the brand’s timeless American min with the global superstar’s rebellious, motorcycle-obsessed personal style. It’s not just another celebrity endorsement — it’s a deeply personal project where Jung Kook co-designed every detail, from custom fabric washes to hidden messages for ARMY.

The campaign view — featuring Jung Kook in custom-wash denim and a sleek black leather racer jacket, posed with a classic motorcycle against a golden-hour backdrop — immediately went viral. That single image perfectly encapsulates the entire collection’s DNA: freedom, edge, effortless cool, and undeniable star power.

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Jung Kook has been a Calvin Klein global ambassador since 2023, breaking the internet with his denim and underwear campaigns. But CKJK marks a new chapter. In a GQ interview, he described the collection as “a secret message of appreciation to my fans” and a reflection of his authentic self.

The theme draws heavily from Jung Kook’s well-documented love of motorcycles. He earned his riding license in South Korea in 2022, and moments from his rides have appeared on his Instagram and the Disney+ series Are You Sure?!. The capsule reimagines Calvin Klein’s iconic 90s silhouettes through a biker lens: think distressed denim with mechanical-inspired details, leather pieces that feel road-ready, and underwear that carries subtle tattoo motifs from Jung Kook’s own hand ink.

The co-branded logo — CKJK EST. 2026 — features a sleek, racing-inspired typeface. It appears embroidered, printed, or subtly debossed across the line, giving every piece a collector’s-item feel.

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The collection spans denim, outerwear, tops, bottoms, and intimates — 20 styles total, available in men’s and women’s sizing but designed unisex.

Custom-Wash Denim Collection This is the heart of the capsule. Four signature washes — Peat (deep earthy brown), Dusk (muted indigo with gray undertones), Lily (soft faded black), and classic Black — were developed specifically for this collab.

• 90s Straight Jeans and Baggy Jeans: Relaxed fits with reinforced knee panels that nod to riding gear, subtle chain-stitch embroidery resembling motorcycle sprockets, and hidden interior waistband prints with Jung Kook’s handwritten lyrics.
• Trucker Jacket: The iconic Calvin Klein denim jacket reimagined with a slightly longer cut, reinforced shoulders, and a removable shearling collar for colder rides.
• Denim Shirt and Overalls: Oversized, heavily washed for that broken-in feel right out of the box.

Leather Racer Jackets The hero outerwear piece is a premium black lambskin racer jacket priced at $699. It features:

• Asymmetrical zip closure
• Quilted shoulder detailing
• “CKJK” embossed on the chest pocket
• Interior lining with a custom graphic inspired by Jung Kook’s tattoos A more affordable PU leather version ($229) offers similar vibes for wider accessibility.

Signature Underwear & Basics Jung Kook’s influence shines in the intimates. Classic boxer briefs and trunks feature a new waistband design with micro-printed tattoo motifs. There are also ribbed tank tops and cropped tees in black, white, and washed indigo that highlight his athletic frame while remaining wearable for everyone.

Streetwear Staples

• Oversized hoodies and crewnecks with distressed graphics
• Ringer tees echoing 90s Americana but with biker twists
• Cargo pants with moto-inspired knee patches
• Beanies and caps embroidered with the CKJK logo

All pieces emphasize premium materials, perfect construction, and that signature Calvin Klein minimalism elevated by Jung Kook’s personal touches.

 

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Shot by legendary photographer Alasdair McLellan and directed by a team that captured raw motion, the campaign visuals show Jung Kook actually riding (no body double). Behind-the-scenes reels reveal him adjusting fits, suggesting washes, and even sketching logo ideas. One viral clip shows him in the denim trucker jacket, leaning against the motorcycle with the sun setting — the exact image many fans now have as their lock screen.

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Within minutes of the May 19 drop, the Calvin Klein website crashed from overwhelming traffic. The collection sold out online in the US, Japan, China, Australia, Italy, and Poland. Select physical stores (Soho NYC, Harajuku Tokyo, Champs-Élysées Paris) still carry limited stock as of May 21. Resale prices on platforms like StockX have already climbed for rarer sizes and the leather jacket.

For ARMY, this isn’t just clothing — it’s wearable connection to Jung Kook. Many pieces include hidden details: embroidered coordinates of his favorite riding spots, tiny “7” motifs, or messages like “Thank you for riding with me” inside garments.

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Everyday Edge: Pair the custom-wash baggy jeans with a white ringer tee and the leather racer jacket for instant cool. Soft Rebellion: The lily-wash denim set with a cropped tank and boots channels 90s grunge meets modern K-pop. Date Night: Black denim + leather jacket + CKJK underwear peeking out = peak Jung Kook energy.

The collection’s versatility is intentional — Jung Kook wanted pieces that fans could live in, not just pose in.

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In an era of fleeting celebrity drops, CKJK stands out because of Jung Kook’s genuine involvement. He didn’t just lend his name; he shaped the design process, drawing from his hobbies, tattoos, and connection with fans. At 28, the BTS member continues to evolve from global pop star to multifaceted creative force.

Calvin Klein, for its part, gets to tap into Jung Kook’s massive, highly engaged fanbase while refreshing its heritage codes for a new generation. The result feels authentic rather than commercial — rare in high-profile collabs.

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• Online: calvinklein.com/CKJK (restocks expected but limited)
• In-store: Flagship locations in major cities
• Select retailers: Isetan, Nordstrom (limited)

Either you’re a longtime ARMY, a denim obsessive, or simply someone who appreciates great biker-inspired style, the Calvin Klein x Jung Kook capsule delivers. It captures the freedom of the open road, the confidence of owning your look, and the quiet power of personal expression — all wrapped in that unmistakable CK minimalism with a Jung Kook twist.

This isn’t the end of the story. With the success of this first collab, rumors of future drops and expanded categories are already swirling. For now, though, the road belongs to CKJK.

Ride safe. Dress bolder.