The BLADE™ FF 2 indoor shoe is a lightweight indoor shoe that helps you move faster. This shoe is updated with a higher heel drop that positions your foot in a in a start-up position for moving forward more quickly. The PRECISION SOLE™ design uses a 3D modeling application to generate the new outsole pattern, achieving a balance of flexibility, lightweight, and grip; combined with the X-GUIDANCE™ technology in the flex grooves to provide extra flexibility during multi-directional movements.?