The Alder X-Mesh is based around a classic template with a crescent tail for control. The board features 60/40 rails and channels for drive and hold. Constructed with Cross link deck and rails for stiffness, an EPS core and a durable HDPE bottom skin with mesh for greater strength. * Composite foam core: Provides a stiff and buoyant lightweight core.* Clipped crescent tail: versatile and functional tail shape provides great control for all styles of riding in all wave conditions.* Tough slick bottom increases longevity and provides good protection.* Closed Cell Deck: The closed cell deck provides increased stiffness and strength where the rider lies.* 60/40 rails: proven rail control* Mesh skin bottom for greater strength. Size: the 44" is good for people 80kg+