spanx shapewear for women tummy control high-waisted power panties (regular and plus size, soft nude, lg) spanx looking for lightweight all-day tummy control? you’re in the right place. this shaping solution doesn’t ride up and has no center seam, so it’s totally invisible under clothes. the best-selling spanx power short features soft yarns and offers smooth results with less squeeze. plus, with a cotton blend gusset, you can wear as underwear to eliminate visible panty lines. this style is designed to be your everyday essential!