inov-8 F-Lite 290 G Men's Black/Green Designed to be the toughest fitness shoe for the most demanding workouts, the Inov-8 F-Lite 290 G is built for the hard-working athlete. Functional fitness and varied, high-intensity workouts need the kind of equipment and protection that you can rely on and the F-Lite 290 G is here to work for you. The breathable mesh upper is enhanced with Kevlar to provide optimal security and durability. Meta-flex grooves in the forefoot and a new, Graphite-infused rubber outsole offer premium traction and durability that was designed specifically to withstand your daily grind in the gym.Upper: A super-tough, breathable mesh, with Kevlarin the forefoot provides increased durability. Memory foam provides a comfortable, locked-in fit and feel.Midsole: The EXTEROFLOW midsole minimises shock impact and delivers high levels of energy return without compromising on ground feel. POWERHEEL is 40% denser in the heel for maximum power, support and mechanical advantage during lifts.Outsole:Graphite-enhanced rubber outsole is 50% Stronger, 50% more elastic and 50% harder wearing. META-FLEX™ allows multi-directional flexibility, ensuring the shoe moves naturally with the foot.