The True Hockey 2-Piece Goalie Skate uses custom Step Steel runners giving goalies the best possible edge for powerful pushes and footwork in the crease. Step Steel has been producing the highest quality made in Canada steel runners for years and have earned a reputation for offering the best steel on the market. For this reason, True has partnered up with Step Steel making it the official steel runner provider for all True Hockey Skates. These Step Steel Runners are compatible with the 2-Piece Goalie Skates and are 4mm in width.