The YONEX Power Cushion absorbs shock then reverses the impact energy for smooth transfer into the next movement.Compared with urethane, the YONEX Power Cushion construction provides 3 times more shock absorbing power. When dropped from 7m above a Power Cushion sheet, an egg will bounce back 4m without damage. DOUBLE RUSSEL MESH Double Raschel Mesh is an ultra fine mesh that is extremely lightweight and durable. It provides eight times more air-exchange for releasing moisture than ordinary mesh fabric. DURABLE SKIN LIGHT Great Fit Leaves you Light on your Feet Combining rubber-like flexibility with the stiffness of hard plastic, the polyurethane-based Durable Skin Light lets you play light on your feet while maintaining a robust fit. HEXAGRIP SOLE For agile and stable footwork, the hexagrip pattern provides 3% more grip and is 20% lighter than standard sole material.