REPEAT CIRCULAR KNIT VAMP AND TONGUE STRETCHES FOR NATURAL MOVEMENT IN THE FOREFOOT, A MORE STRUCTURED HEEL MESH PROVIDES SUPPORT AND BREATHABILITY. SOFT FOAM WITH SIPED FLEX GROOVES FROM HEEL TO TOE ALLOW FOR COMFORT UNDERFOOT AND FREEDOM TO MOVE NATURALLY. STOCKFIT RUBBER OUTSOLE PODS PLACED ONLY WHERE TRACTION IS NEEDED MOST. FLEXIBILITY AND SIMPLICITY COMBINE FOR A ULTRA-SLEEK RUNNING SILHOUETTE.