The Union Expedition Binding is a freeride binding designed to have touring power and Performance. Its Split Pin System is a regular pin system combined with a Split System baseplate to lock you into the Board a little more securely without making it difficult to switch between modes. Easily hop between Touring and Riding mode with just the switch of a pin, giving you smooth transitions between skiing experiences. This stiffer binding also Features a Duraflex ST SP1 Base for a more Performance-driven feel, 3D Symmetric Ankle Straps for comfortable security and Magnesium Ratchets for extra strength and durability. Features of the Union Expedition Binding Riding Mode - For riding, the binding slides onto the baseplate which rotates over the center of the Board 3D Symmetric Ankle Straps - Direct Connect System locks you in with zero strap elasticity Multilayer core inside provides supreme comfort, and confirms across the top of you foot Magnesium Ratchets - This Union exclusive process produces a material 4 times stronger than aluminum with only 1/2 the weight Symmetric Duraflex Highbacks - Designed specifically for touring, Expedition Highbacks feature an adjustable quick-snap forward lean adjuster that goes from tour to riding mode with the flick of your fingers Extruded 3D Aluminum Heelcups - The rigidity and strength of Extruded Aluminum acts like a roll cage on a race car - stiffening the entire chassis