Not recommended for beginners. The QIAODAN Feiying Plaid 3.0 is the flagship carbon racing shoe with PEBA supercritical foaming midsole and a dual carbon fiber plate. It is engineered as the ultimate racing weapon for elite runners targeting sub-3-hour marathons. The dual carbon plates deliver extreme propulsion that demands significant leg strength, core stability, and precise running form. Beginners should start with QIAODAN training shoes to build proper fundamentals.