ASICS Gel Blackheath Mens Sports Running Trail Walking Shoes Trainers - Orange Reduces the weight of the sole unit while retaining the structural integrity of the shoes. Reinforced rubber/resin compound attached to the forefoot providing increased durability and protection For stability and comfort. Upper is stitched around a canvas or EVA board and directly attached to the midsol Improves bounce-back characteristics and decreases midsole breakdown EVA sockliner moulded to the shape of the foot, which can be removed to accommodate a medical orthotic.