adidas ClimaCool Rotterdam IV - Women's Designed specifically to provide enhanced cushioning and guidance to under-pronators, runners who don't rotate their feet properly during the gait cycle adidas patented ClimaCool synthetic upper provides great ventilation and eliminates excess moisture to keep your feet cool and dry Exclusive adiPRENE+ cushioning supplies flexible, resilient support and aids forefoot propulsion for more efficient energy use Custom TORSION SYSTEM structure keeps midfoot integrity to encourage proper running form AdiWEAR -- a durable carbon rubber compound combined with QuickStrike -- a lightweight, abrasion resistant material -- combine for an outsole that is ultra-protective and long-lasting but not overly heavy