With its 106mm waist Salomon&';s S/Lab QST Echo is a touring-specific evolution of Salomon&';s iconic QST 106. Featuring a karuba/poplar core, superlight basalt fibers, and a cork damplifier, it&';s a lightweight, lively backcountry ski perfect for all conditions. Article ref. L47826200+ Best forFreeride Level of PracticeAdvanced, Expert Type of SnowMixed to powder TurnMedium Features & Fabrics Contents of Pack Skis only Core Construction Karuba / Poplar Full Woodcore: Woodcore is a mix between poplar and karuba. Karuba offers lightweight and inertia. Reinforcements Ti Binding Reinforcement: A titanal insert edge-to-edge underfoot, running throughout the ski, for maximal power and increased hard snow edging. Flax Carbon Superlight Fibers Ski Construction Full Sandwich Sidewalls: Full Sandwich Sidewalls guarantees stability and precision, it enhances performance by providing good edge grip and smooth ski-to-snow contact. 100% Recycled Double Sidewalls Ski Technologies Double Sidewalls Cork Damplifier: Cork is three times more absorbing than Koroyd. Using it in the tip of the ski enables a high level of vibration absorption and dampening with even less weight.