Inov8 Rocfly G 390 shoe (Black blue)

A revolutionary boot like no other, the ROCFLY ™ G 390 uses a unique graphene-infused G-FLY ™ foam that supercharges your feet so you can walk further than ever before. The world-first foam is scientifically proven to deliver 25% more energy return and retain its optimal levels of rebound and cushioning underfoot longer, thanks to the infusion of the toughest wonder material on the planet. More details