Features and BenefitsCore Material: Versaflex& Wood Core--Versatile and specifically tuned flex core for all-mountain riders. Generally a softer flex.Construction Style: Bullet Cap --Designed for durability.E.T.F. Transmission Frame--3-D top geometry dampens vibrations reduces torsional twisting and lowers the swing weight in tip and tail. This leaves the board with more edge hold and stability combined with ease of handling. Key SpecsNose Width: 144cm-28.2cm 148cm-28.7cm 151cm-28.9cm 154cm-29.2cm 157cm-30.4cm 163cm-31.5cmTail Width: 144cm-28.2cm 148cm-28.7cm 151cm-28.9cm 154cm-29.2cm 157cm-30.4cm 163cm-31.5cmInsert Pattern: 4x4Side Cut Radius: 144cm-8.1m 148cm-8.9m 151cm-8.9m 154cm-9.0m 157cm-8.2m 163cm-8.5m