42 inch Ultimate Hard Slick Bottom Wavemaster Pro Bodyboard WaveMaster Series is designed for ultimate performance and quality bodyboard for speed, projection and longevity. Its crescent shaped tail bodyboards are mainly used by drop knee riders and prone riders into tube riding with maximum stability strong, high density core, closed-cell foam made of super strong polymeric chains and it is suitable for both warm and cold water. Polyethylene top skin with unique heat seal bonding to the core preventing water from infiltrating into the core. ; IXL crosslink deck, polyethylene top skin with unique bonding seal to the core. Lightweight of 2.6 lbs, impact strength durability, water-resistant and compact feeling ; HDPE (High Density Polyethylene) offers strong bottom skin, stiffness and speed. Recommended for riders that are 66 - 72 inches and weigh 145 - 180 lbs. ; 60/40 rail configuration: makes tricks easier to pull off ; Grooved slots on the bottom: minimize turbulence and increase board hold to wave. Built-in padded & adjustable rentention wrist leash to keep board close to body ; Dimensions (inches): 21 Widest Part; 19 Tail Width; 12 Nose Width; 2.5 Thickness