Reebok Women's CROSSFIT Nano 7.0 Cross Trainer 100% Synthetic Imported Rubber sole Low-profile cross-trainer featuring NanoWeave tech upper and reinforced heel cup Power launch toe box. Features 360 degree midsole wrap and drop is 0.16 inch Anatomical toe box and a low-cut design for a natural feel and ankle mobility. 360-degree TPU heel wrap for a locked-in feel. Crystallized rubber outsole for natural flexibility Removable insole.The added heel piece creates a fit lockdown for better leverage as you lift.