Nike Free Sparq '09Nike's "SPARQ" line of shoes and equipment was constructed to help athletes develop their optimum Speed, Power, Agility, Reaction, and Quickness. The Free SPARQ 09 stays true to that model. They are an advanced training sneaker that molds to your feet providing superior feel and control. Some of their features include a mesh/synthetic upper with Dynamic Fit sleeve, Nike Free sipes for enhanced movement, and truncated pyramid lugs that provide traction on multiple surfaces.