Yonex Power Cushion 39 Unisex Badminton Shoes (White/Blue)The YONEX POWER CUSHION 39 UNISEX BADMINTON SHOE is an entry model providing a comfortable soft fit. 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. Scientifically contoured, the Ergoshape