The 10-S Elite Umpire Chair is a lightweight, easy to use and assemble umpire chair. Sturdy and simple, the 10-S Elite Umpire Chair meets the highest of standards. The aluminum frame will not rust - ideal for coastal environments! The ladder, with its especially wide slip-proof ranks, projecting supports and four base plates give this chair optimum stability. The middle plate between ladder and the supports provides extra durability. The seat mount has an extra crossbar behind the UV-resistant body-contoured seat.