(2 of 7) Fashion Week Highlights: Day 4Four days down, four to go. At Fashion Week’s halfway point, trends crystallize and chic new styles debut. Lacoste Sporty, slightly retro, and tons o’ fun are Lacoste’s timeless design principles, and this season is no exception. The spring line revolves around tennis whites, though the classic shade takes shape in halterdresses, blazers, shirtdresses, and more. Thirties-style rompers—a favorite of many designers this season—pops up, as did polo stripes and patent accessories in perky primary colors.