This is the popular NIKE model "REACT PEGASUS TRAIL 4 GTX GORE-TEX" (retail price: 22,880 yen). The size is 28cm. Below is the product description: It uses cushioning known for its comfortable fit, providing sturdy traction and neutral support with an improved midfoot structure. The GORE-TEX waterproof upper allows you to keep running on rocky trails without slowing down, even in bad weather. This popular triple-black model, which was not available in Japan, was obtained at a NIKE directly-managed store! Last one! First come, first served! I'm also selling various other items! Please check them out. Product number...HM9728 002