These Asics Gel Cumulus 21 Ladies Running Shoes have been developed with FLYTEFOAM Propel technology which delivers a bouncy feel underfoot for a responsive ride, whilst the rear and forefoot GEL technology adds further cushioning and helps absorb shock with every step. The shoes have an AHAR rubber outsole for superior traction that is highly durable, whilst the SpEVA 45 lasting material provides a soft platform feel and improved comfort so you can keep going mile after mile. > Ladies Running Shoes > Full lace fastening > Jacquard mesh upper > FLYTEFOAM Propel technology > AHAR outsole > Internal heel counter > Rear and forefoot GEL technology > SpEVA 45 lasting > EVA sockliner > GUIDANCE LINE technology > I.G.S (Impact Guidance System) technology > Asics branding