this canoe has hight quality,very suitable for athlete or racing boat fans to use.It also can use like sport recreational product, you can do it with you family and friends. Structure: 1) Racer: overall carbon/kevlar/honeycomb 2) Explorer: hybrid fabric/coremat with honeycomb decks/seat decks 3) Trainer: carbon reinforced, fiberglass/ coremat with honeycomb decks/seat decks 4) Weight: racer: strictly built to ICF weight requirement; explorer: 10% over weight; trainer: 15% over weight