The Jil Sander show was a highlight of the Milan season. “Working with elongated silhouettes, the designer duo offered relaxed takes on tailoring, including jackets and vests with generous single-point lapels as well as lean, round-neck tank tops worn with roomy Bermuda pants or kilts. All these items made for a shared wardrobe across men’s and women’s, along with other staples such as high-waisted pleated trousers…