The Surfboard's Bottom Contour - Concaves, Convexes and Flats

Surfboard Bottom Contours – Sideways

Surfboard Bottom Contours, Fins and Fin Boxes

Understanding the Parts of a Surfboard – Surf Nation

Surfboard anatomy – what are the parts of a surfboard and what do they do? - Lapoint Surf camps

How surfboard design impacts your surfing - HT's Mentawai Surf Resort

Thomas Patrick Surfboards: 2010

Guide To Buying A Longboard - Longboarder Magazine

Phazer Foilboard AK Durable Supply Co.

Concave refers to the longitudinal curvature of the deck. The higher this curvature, the more pressure you can put…

Surfing Explained: Ep9 Surfboard Bottom Contours

Surfboard Bottom Contours – Sideways