This shirt is a prime example of the "Minimalist K-Fashion" aesthetic, which prioritizes clean lines, high-quality textures, and sophisticated earthy tones.

Here is a detailed breakdown of its features:

Design & Silhouette
Fit: It features a modern tailored fit—structured enough to define the shoulders but with a slight "easy-wear" drape through the torso that is common in Seoul’s contemporary street style.

Collar: A classic spread collar that maintains its shape, making it versatile enough to be worn fully buttoned for a formal look or open for a "smart-casual" vibe.

Placket: A clean-front placket with subtle, contrasting grey buttons that add a touch of modern detail without being distracting.

Fabric & Color
Material: The fabric appears to be a linen-cotton blend or a premium slub-weave synthetic. The visible cross-hatch texture gives it a breathable, organic feel that is perfect for seasonal transitions.

Color: The shade is a rich Burnt Ochre or Terracotta. In Korean fashion circles, this "muted earth tone" is highly popular because it complements a wide range of skin tones and pairs effortlessly with neutral trousers (cream, black, or slate grey).

Style Tip
To achieve the full "K-Drama" leading man look, pair this shirt with tapered cream slacks and white leather sneakers or dark brown loafers. Tucking it in slightly at the front (the "half-tuck") can also enhance the relaxed yet polished silhouette.