Jil Sander's '145' jacket presents structured elegance in black calfskin leather. The piece features a distinctive Korean-style raised collar, tone-on-tone button closure, and a relaxed fit with two front welt pockets and a central back seam. Italian craftsmanship defines this essential layer with its pure lines and refined proportions. Style it as an effortless outerwear staple over tailored pieces for understated sophistication.