The Black Crows Atris Birdie Skis is the ski that just gets even better with age. This updated big mountain ski remains accessible and versatile with a 105mm waist that excels in all conditions. Always reliable and fun, it&';s the perfect ski for women who demand the best. Product Details Rocker Type Classic Medium Camber - Classic camber underfoot with intermediate ski/ snow contact for a perfect balance between stability and handling. Double Rocker - Great handling, control, and pivot. Flex Flex - Firm flex for stability and precision, with progressive flex in tip for comfort and efficiency. Sidecut Medium Sidecut - Stability at high speed, great balance between firmness and maneuverability. Core Poplar / Fiberglass Sidewalls Semi-Cap with ABS Sidewalls Binding Compatibility We recommend a brake width equal to or at most 15 mm wider than the ski waist width.