Button up Vest Outfit Inspo Styling Womens Vest Mode vestimentaire Button Down Vest and Wide Leg Pants 2 Piece Set (Buy 2 Sets Free Shipping) Set with Button Up Vest and Pants How To Style A Button Up Vest at Maddison Sims blog How To Style A Button Up Vest at Joyce Hartmann blog. This fashionable vest and pant set is crafted from a dressy drape fabric and includes a button up vest with princess seamlines for a tailored shape, plus matching pants with a concealed zip fly and functional pockets. The model is wearing a size 8 and has a height of 171cm. 97% Polyester and 3% Spandex for the main material and 100% Polyester for the lining.