Fits Slightly Small: This SPANX item fits slightly small, so consider sizing up; reference the size chart to get the perfect fit Fully Seamless Shaping: SPANXshape Everyday Shaping Boyshort has a seamless design for invisible support and control, providing level 3 shaping that feels like a firm hug Core Control Underwear: Get full core and side control with this seamless underwear for women No Visible Panty Lines: Core control panties leave you with no visible panty lines, providing just enough core smoothing to comfortably shape your core and butt For Women, By Women: At SPANX, we obsess comfort, deliver results and ensure you look as good as you feel