Skechers synergy fine tune lace up shoe get his athletic style humming along with the skechers synergy fine tune shoe skech knit mesh and synthetic upper in a lace up athletic training sneaker with stitching and overlay accents gel infused memory foam insole fasteninglace up material compositiontextiletextilerubber skech knit upper synthetic overlays at toe and heel sporty look lace up trainer extremely comfortable with a gel infused memory foam insole flexible non marking sole