Prince QT Scream 4 Clay tennis shoes are all about performance thanks to durability, cushion and support. An integrated lace accord system allows for lasting lacing and a lock-down fit. Those laces also create a dynamic design on the lateral and medial sides of each shoe.Upper: Padded tongue and heel collar enhance comfort. Lace-up front provides an adjustable fit. Duraskin XD provides additional durability during aggressive play. Perforations and mesh offers extended breathability. Duraskin II provides high abrasion toe drag protection. Midsole:Mesh and textile lining offers a breathable and smooth fit. ShockEraser midsole insert absorbs heavy impact in the heel. TPU Arch Bridge Removable insole. Outsole: Full herringbone pattern is ideal for clay court surfaces. PRC 1000 abrasion resistant rubber compound provides exceptional durability and traction for long-lasting performance.