Weight: 220 g (size UK 5.5)boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyTextile upper with allover graphic printMoulded synthetic midfoot and heel overlay for added supportFITFRAME 3D-moulded TPU helps increase stability around the heel; Breathable mesh liningADIWEAR™ outsole offers the ultimate in high-wear durability; Runner type: natural; Stack height: 17.5 mm / 28 mm (10.5 mm differential)