ASICS HYPER LD ES Spiked Running Shoes (Junior Sizes) rubber sole Nylon Spike Plate - Increased durability and traction on all surfaces. EVA midsole - Enhanced heel and forefoot cushioning and support. Slip lasting - For lightweight and flexibility. Board lasting in the heel and slip lasting in the forefoot. Synthetic leather and mesh upper - for good flexibility and breathability Solid Rubber Outsole - For excellent flexibility and traction on different surfaces.