This light blue long-sleeve button-up shirt features a subtle textured micro-pattern (possibly fine pinstripes or dobby weave) and distinctive white contrast tape detailing along the inner placket, cuffs, and side seams—suggesting a contemporary streetwear or minimalist designer aesthetic. The fabric appears lightweight and slightly crinkled, indicating a cotton or cotton-blend construction for breathability and casual comfort. It has a classic pointed collar, single-button cuffs, and a relaxed yet tailored silhouette with a curved hem, suitable for layering or wearing untucked. No visible logos, tags, or brand markings are discernible in the image; the white tape may contain faint text but is unreadable at this resolution. Ideal for spring/summer daily wear, smart-casual outings, or layered under jackets. The clean lines and restrained detailing reflect modern utility-driven design, appealing to fans of understated premium basics. While the styling evokes brands like A.P.C., COS, or Needles, no definitive branding can be confirmed from visual evidence alone.