Coach; Celine by Hedi Slimane; Mark Cross. Filson; Onia; Onia. E S Brisk nights. Chilly early mornings. Over-air-conditioned offices. (Remember those?) Sweaters have always had a place during the summer. But if you really want to drive home the vibe, there’s an easy way to do it: Tie-dye them. Simple as that. M E E E W SWEATER ($810) BY ALTEA. 15