1. The entire fabric of the shoe upper is made of Klein fabric, which is a high-end fabric with comfort, elasticity, and breathability; More suitable for human skin, it won't wrinkle after prolonged wear, and has strong wrapping ability. It has a seamless splicing process of 6 TPU pieces on the upper, bidding farewell to traditional stitching techniques, without a trace of needle and thread, making it more atmospheric, beautiful, and comfortable.