Built for any skier that enjoys exploring with in the ski area, but also spends sometime in the ungroomed terrain off trail, the Dynastar Speed Zone 4X4 is built with the new Hybridcore Technology and a Titanal construction for stability and control at high speeds and smooth snow feel. The multi-layer sidewall offer increased turn initiation and improved power. Hybrid Beech/PU Core, Multi-Layer Sidewall, Ti Reinforcement, Tip/Waist/Tail Widths: 130/82/110, Actual Turn Radius @ Specified Length: 16m (@179cm), Warranty: One Year, Type: Frontside Skis (