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In Love Is Coming Episode 15, Mu-jin leans into understated, structured knitwear that balances warmth with quiet emotional restraint. His wardrobe centers on two key pieces: a black collared knit shirt accented with sharp white contrast stitching along the collar edges, and a rich navy knit polo layered cleanly over an open white collared shirt. These silhouettes offer a polished alternative to rigid corporate suiting, blending everyday comfort with intentional framing.
Contrast-Stitch Detail on Mu-jin's Black Collared Knit
Mu-jin's black collared knit brings clean visual definition to an otherwise minimal dark palette. The standout detail is the sharp white whipstitch edging tracing the perimeter of the collar and front placket. That subtle contrast line draws focus upward toward the face and neckline without demanding loud patterns or heavy metal hardware.
Wearing an open-collar dark knit over a simple dark undershirt gives him an approachable, soft-tailored presence during tense domestic conversations. When recreating this look, seek out lightweight fine-gauge knit shirts with contrast piping or edge stitching. A relaxed regular fit works best here; overly clingy knits bunch across the chest, while a fluid drape allows the collar points to sit flat and frame the collarbone naturally.
Layered Navy Knit Polo and Crisp White Collaring
Later in the episode, Mu-jin transitions to an outdoor and evening combination that feels casual yet deliberate: a rich navy knit polo layered over an open white collared shirt. The crisp white points of the inner collar peek out past the navy knit opening, creating a sharp contrast that brightens his dark evening layers.
This double-collar layering technique adds depth without the rigid formality of a tailored sport coat. The key to pulling it off lies in managing fabric weights: a medium-knit polo brings enough texture and warmth for evening breezes, while a lightweight cotton inner shirt prevents bulk from bunching around the neck and shoulders.
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For a dependable option that captures this collared silhouette, the COOFANDY grey long-sleeve knit polo — similar style delivers a fine-gauge knit texture with a structured polo collar and long sleeves. While Mu-jin wears solid navy and black knits with contrast detailing, this grey knit offers a similar collar shape in a versatile heather shade that pairs easily with white collared undershirts or dark jackets. Visit the retailer page for current sizing, color choices, and availability.
If you are tracking how these character dynamics develop later in the story, check out our Love Is Coming Episode 19 Recap for the emotional fallout between Mu-jin and Gyu-o.
Casual Workwear Utility in Dark Button-Down Shirting
During quiet kitchen scenes, Mu-jin changes into a relaxed, washed black button-down shirt featuring dual chest flap pockets. The utilitarian cut moves away from strict office dress codes, offering a rugged, down-to-earth aesthetic that suits relaxed off-duty moments.
Leaving the top buttons unfastened and rolling the cuffs slightly keeps the silhouette effortless. For daily wear, selecting a washed cotton or linen-cotton blend provides the right balance: it holds structure through the collar and flap pockets while maintaining a soft, comfortable drape throughout the day.