Nike Free Haven 3.0 - Men'sThe Nike Free Haven training shoe features a no sew upper construction and a laser perforated skin combined with adaptive fit technology to provide dynamic lockdown. Dual-density midsole and Nike Free flex grooves offer a barefoot training experience. Midfoot wrapup delivers additional lateral support. Delta nodes traction pattern gives ultimate grip on multiple surfaces. DiamondFlex design aids multI directional movement. Wt. 8.5 oz.