Button Up Vest and Pants Suit SetStyle context Wear the Button Up Vest and Pants Set for office days or formal events. Layer the vest over a blouse, swap to a camisole for after hours polish. Fabric + stretch Crisp 96% polyester, 4% spandex with no stretch; holds seams and drape through long wear. Fit guidance True to size (SXL); classic vest plus straight leg silhouette; minor tailoring may suit between sizes. Care instructions Machine wash cold. Tumble dry low. Cool iron if needed.