The kach is a sort of knickerbockers reaching to just below the knee, which they encircle tightly.
Football officials still wear "knickerbockers" that end just below the knee.
Popularly known as "knickerbockers" they were considered to be standard appropriate wear for young men and athletes, particularly golfers and baseball players.
While references to the game go back as far as 1791, it wasn't until 1849 that the first "official" uniform appeared on the field, worn by the New York Knickerbockers.
