SPANX Shapewear for Women Thinstincts Open-Bust Mid-Thigh Bodysuit - Small (Black), NWT Thinstincts is designed with targeted shaping support. SPANX engineered this fan-favorite style to target your lower stomach, and added performance features like breathability. TUMMY CONTROL: Engineered shaping panel. BREATHABLE: Microfiber offers a lightweight feel. ADJUSTABLE STRAPS: Provide extra stay-put support.