When push comes to shove and those retro sneaks just wont cut it while your tearing up the track, then you need to think about upping the ante and stepping into some serious performance sneaks. Saucony have the goods with this drop of there newest tech-toting trainer, the Kinvara 4. Elaborating upon the legacy built by its predecessors, the Kinvara receives a full baseline switch, upgrading from ProGrid to a Power Grid heel impact zone support system, alongside the amplified inclusion of PowerFoam midsole compartments. Together, the updated technologies combine to effectively centre, absorb and disperse the pressure caused through foot-to-ground strike, providing users with a dynamic and protected ride. Available in his and hers editions, shuffle on over to 43einhalb to pick up a pair.