Matt designed this board to suit British surf. The Tonka offer a fuller & more curvier template with its center mark sitting slightly higher that standard This board has a deeper single concave to maximize performance from the wider template & a slightly flatter rocker to increase speed over those weak sections. Matt has also moved the fin cluster slightly further forward to accommodate the wider section whilst still maintaining that tight in the pocket maneuverability. The Tonka is a great all round board & suit the new school style of surfing this board comes with a single concave & a thruster set-up as standard 2-3 shorter your standard short board. The model has been a huge hit with all our team riders & feedback suggests this model is the ultimate competition weapon the boys say it"