Weight: 190 g (size UK 5.5)boost™'s energy-returning properties keep every step charged with an endless supply of light, fast energyCoolever mesh upper and lining for heat management and enhanced performance; Tirrenina synthetic suede overlays for added supportExtended TORSION® SYSTEM for energy return in the forefoot and natural integrity in the midfootMoulded responsive EVA sockliner for anatomical fit and great step-in comfortContinental™ Rubber outsole for optimal grip in wet conditions