- Brand: Mizuno U.S.A - Model: SAMURAI - Size: 14.5 inch, approximately 370mm From the instep to the center of the knee Thank you for viewing. These are hardball catcher's leg guards. They are youth size, but are large, and are best suited for people around 170cm tall. The K-PAD knee pad attachment position can be adjusted up and down by about 2cm, so they can be worn from around 155cm tall. (My child wore them when they were around 150cm tall.) Since they are for hardball, they should also be compatible with general softballs. Thank you.