The NIB Swiftfit Neoprene Weight Loss Slim & Trim Slimmer Vest is a women's XL one-piece vest designed for activewear. Made of neoprene material, this solid black vest features a zipper accent and is ideal for gym training, weightlifting, yoga, and running. The slim fit design offers a slimming effect, making it perfect for those looking to achieve a slimmer and trimmer waistline. Perfect for women who want to enhance their workout experience and make a fashion statement.