The Asics GEL Foundation 8 is designed for the serious over-pronator who to correct this biomechanical problem seeks a supportive, well cushioned training shoe that facilitates high mileage. The presence of rear and forefoot GEL Systems reduces shock levels at the key impact and take off phases, alleviating stresses on the body and foot, whilst durability is maintained by the Sp. EVA midsole and AHAR heel technology ensuring the shoe maintains support for the foot at all times. The Foundation 8 is an excellent shoe for stability and durability, allowing long distances to be covered in with superior comfort.Upper:Air mesh.Synthetic leather.3M Reflective.Sole:Sp. EVA midsole.Duo. Max.Visible Rearfoot Duo Density GEL.Forefoot GEL.Trusstic.AHAR+ heel.Dura. Sponge rubber Forefoot.Features:Sp. EVA 65 lasted.Removable compression moulded EVA sockliner.Weight: 303g