The Yonex Power Cushion 65Z4 VA (Grayish Beige) is a limited-edition badminton shoe designed in collaboration with Viktor Axelsen. It features a seamless inner bootie, Power Cushion+ for shock absorption, and a Radial Blade Sole for improved traction, offering a lightweight, stable "shoe-less" feel for fast, aggressive footwork. 
 
The 65Z4 VA is highly regarded for competitive players focusing on speed and stability.