Lucy Womens Perfect Core Leggings Lycra^Mesh^Nylon^Polyester^Spandex Imported Please refer to the lucy&reg; size chart for optimal fit and sizing. lucy Apparel Size Guide This lucy&reg; Perfect Core Legging is a tried-and-true favorite you will go back to every time. Body-hugging fit is tight to the body for maximum support during high-intensity activity. lucy&reg; powermax&trade; blends high-tech Supplex&reg; and Lycra&reg; fabrics to provide maximum compression, moisture management and four-way stretch. xBAR technology (eXtreme Body Reforming &amp; Alignment) utilizes strategically placed mesh insets at the abdomen and lower back. These panels smooth and shape problem areas while reminding you to engage the core and maintain body alignment. High rise adds coverage when bending and stretching. Wide elastic waistband provides a comfortable, natur