Innovated to withstand your toughest matches, this updated design puts flexible, durable materials exactly where they're needed most. Signature Rafael Nadal details let you rep your favorite player while you run the court. Rep Rafa Celebrate your favorite player with Rafa's iconic Bull logo on the tongue and "Rafa" on the heel. Exceptionally Durable The data-informed design places flexible, durable materials exactly where they're needed the most. The outsole material wraps over the midsole on the medial side for durability. Supportive Feel Unique lacing wraps your foot for support while you move. The medial eyestays are covered for added durability while sliding. Responsive Cushioning A Zoom Air unit beneath your forefoot creates a springy sensation with every step. More Benefits Stiff frame on the lateral side creates a stable feel during side-to-side movements. 1/2-length sleeve gives you a sock-like fit. Designed for use on hard court surfaces.