Balenciaga’s iconic Speed trainers undergo a makeover this season. The result? The Speed 2.0. Whipped up from the same stretchy sock like upper – reflecting the futuristic undertones of Demna Gvasalia’s aesthetic – they’re sculpted with a chunky moulded rubber sole that moves with your foot (so you can expect maximum comfort and extra height). Stamped with the Parisian maison’s signature moniker at the side, they’re the perfect fusion between high tops and running shoes.Balenciaga stretch…