the speed 4x4 263 is a progressive ski par excellence designed for all those eager to take their performance to the next level and explore new sensations with complete confidence. short radius to make the skier's life easier, light active air core for enhanced agility: to support progress while never imposing limits. detailsbest use all-mountain tip/waist/tail (mm) 125/74/110 tail shape flaredrocker profile tip rocker skill level intermediate turn radius (m) 13 @164cmconstruction cap construction, fiberglass core poplar core manufacturer's flex rating 4/10binding xpress 10 gw