The Evo 2 Plus seat is larger than the Evo 2, Designed for circuit racing with its strong, rigid and lightweight fibreglass shell and self-extinguishing fabric . The seat has non-slip material on the shoulder supports, seat base and has a split seat cushion. The Evo is also available in three different sizes see Evo and Evo 2 sections for the other sizes. Side mounting. FIA approved and suitable for use with HANS®.