... finishAluminum alloy wing riggers, Carbon foot stretcher board, seats. EXPLORER (B)(16kg)Shell: Hybrid (Carbon and Kevlar) wet layup, with Lantor ® core ... finishAluminum alloy wing riggers, Wooden foot stretcher board, Fibreglass seats. CLUB TRAINER (D)(20+kg)Shell:Fibreglass wet layup, with Lantor ® core ...