Yonex Half Socks 19022 White M (25~28cm) 3d Ergo Tennis Badminton 19022f Made in Japan. Yonex Japan product. Yonex hologram sticker. Color : White Size : M (25 ~ 28cm) 36% cotton, 36% acrylic, 15% nylon, 13% polyurethane 3D ERGO, High fit (tightless, looseless) of toe, Asymmetry design (patent 2895473)/ Right angle type / antibacterial + deodorization / pile fabric