PEAK Men's FIBA Series EAGLE Basketball Shoes Synthetic Leather Rubber sole Upper Design: Made from high quality web and using the synthetic leather and single-layer web enhance the breathability and durability. Sole: Hyperboloid FOOTHOLD TPU on the arch offers enough traction to meet the needs of stability and breaking through. Heel: Using the CUSHION-3 on the heel is a perfect blend of support and cushioning.