They'll run bulk-free with the smooth, cushioned ride of the Saucony Kids Kinvara 4! ; A minimalist running shoe built on a neutral last. Breathable open mesh upper. Flex Film is a thin, flexible and supportive film that is welded onto the upper to help reduce the number of layers. HydraMAX Lining is a fine fabric with superior moisture-managing properties, as well as great step-in comfort. Contoured foam sockliner offers lightweight underfoot cushioning. High-Abrasion EVA (EVA+) is an ultralightweight grade of EVA that provides durable cushioning. PowerGrid heel insert features GRID technology to help center the foot, absorb impacting shock and help distribute pressure for a smoother, more responsive ride. Memory foam heel pods are strategically placed to promote a snug fit. XT-900 carbon rubber outsole material delivers exceptional traction and long-lasting wear. Triangular lug design supplies cushioning and reliable traction over varied terrain. Imported.