Atomic Backland Bent Chetler Skis Shape (mm): 142 x 120 x 134 Turning Radius: 19m [185] Powder Rocker 30 / 40 / 30  Tip and tail rocker with camber underfoot HRZN Tech  Blends an ABS sidewall construction with a revolutionary across-the-ski rocker Carbon Backbone  An ultra-lightweight carbon insert that runs the length of the ski like a stabilizing backbone