Details, Size & Fit. Women's shaping briefs. The Yummie Tummie Nici Shaping Briefs Pack of 3 feature a mid rise with a double lining on The waistband for a smoothing look, and have a seamless design to achieve minimal panty lines. The briefs have a breathable gusset for added comfort, a slim, stretch fit, and are perfect for everyday wear.Machine washable. SKU: YU343US91WJW.