Nike Free 7.0 V2 is built as a training tool to help strengthen your foot.Nike made this version more stable by both removing some of the segmentation from the midsole and flaring Nike Free 7.0 V2 for a wider base of support.Minimal seam engineering to relief chafing, together with asymmetrical lacing technique to reduce burden.Deep sipes promote foot strengthening through the forefoot,adding support.Phylite outsole with Waffle Piston geometry to boost cushioning.