Designing a true freestyle board is never easy. You need all around performance in addition to pop, durability, lightness, balance and smoothness. But when you hit the deep spot, you know it! The 2006 Alias is new from top to bottom. Key Features of the Rossignol Alias 150cm Snowboard: FS Twin style - Easy, smooth, and punchy for parks, pipe, jibbing, bonking and even a bit of backcountry Deep Progressive Sidecut - The Radius progressively gets longer as you move towards the nose, but it is very short between the feet for instant reactivity and centered for a consistent feel when riding switch Wood C/K Core - Combined with carbon and Kevlar fibers, these 100% wood cores gain punch and durability for outstanding performance during park sessions and all terrain riding Plain die-cut 4.4 with Stone Grind base - A lower density stone ground sintered base: fast, durable, and easy to service Mat/glossy combo topsheet Sidecut (m) Eff.edge (cm) Nose/Tail (cm) Waist (cm) 7.5 118.0 29.5 25.0