Nike Zoom GP Challenge 1 Men's Clay Shoe The GP Challenge 1 was developed for the very best - and for those who want to become the best. With it, you can concentrate fully on your game. Air Zoom elements and lateral stabilization help you unleash your inner power for the next volley. Featuring our groundbreaking Claybreaker technology, it's perfect for sliding and sprinting on the red clay. Ready for the clay court Nike Claybreaker technology provides improved traction and less sand build-up on clay courts. The added grip in the forefoot and midfoot provides a wide traction pattern for control when sliding. We used traction maps, pressure maps and analyzed sand build-up areas for the design. Then we tested it on red clay courts in Europe under different clay court conditions (cold, warm, wet and dry). Zoom, Zoom Thanks to the Air Zoom element in the forefoot, you can stretch all the way to your toes and set off on your next sprint even more easily. Air Zoom in the heel gives you reliable support. Keep moving A robust plastic plate in the midfoot area ensures stability when changing direction quickly and better energy transfer with every movement. Reinforcements on the eyelet strips and sole ensure a snug fit and support during lateral movements. The additional padding on the heel provides even more comfort and support. Durable traction Additional rubber in the toe area, especially on the big toe, offers more durability. Extra abrasion-resistant rubber in the forefoot provides durability and traction. The heel area has been specially developed for abrupt movements, such as pulling the foot back at impact. Ready for the red clay Nike Claybreaker technology provides improved traction and less clay build-up on clay courts. The added grip in the forefoot and midfoot provides a wide traction pattern for control when sliding. We used traction maps, pressure maps and analyzed sand build-up areas for the design. Then we tested it on red clay courts in Europe under various clay court conditions (cold, warm, wet and dry). More DetailsDesigned to be worn on clay and padel courts.cushioned insole