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Specifically focusing on timeless pieces instead of momentary trends, Theory’s Spring 2015 collection designed by Lisa Kulson has only one patterned garment and features plenty of minimal silhouettes. Kulson designed for Theory until 2002, when she moved away from New York and became a mother. Earlier this year, however, Kulson resumed her design post when Olivier Theyskens left the company. Twenty-two looks compose Kulson’s collection, including a beige, raw-linen sleeveless trench, suede culottes, and basic white tunics. The netural colors range only from army green and navy to white, beige, and black. Ankle-length, burnt orange trousers provide a pop of color, but even those are paired with a draping knee-length camel overcoat and white blouse. The chosen palette and oversized silhouettes—along with the minimal set on which the presentation took place—reminded us of the effortless and laid-back qualities of ’70s sportswear.

For more from New York Fashion Week Spring/Summer 2015, click here.