Arc ST Splitboard Binding excels in the trees and powder, but is tough enough to handle more complex all-mountain conditions.  Cutout baseplate design, medium flex Asym Rip 'N' Flip Highbacks, and a smaller ankle strap with a flex window combine to save valuable grams and deliver a surfy ride down. All Arc ST Bindings incorporate our industry-leading Tesla T1 technology. spark R&D Smooth Touring (ST) Tech is featured on the ST Brackets and ST Whammy Bars. These components utilize a proprietary thermoplastic blend that is molded over the metal part reducing friction, increasing durability, and improving touring efficiency. The Arc ST Asym RipNFlip Highback has a moderate amount of glass fiber fill for medium flex and a surfy feel. The bindings feature individual left and right highbacks for improved ergonomics, comfort, and control. The upper section of the highback is flatter giving riders excellent lateral mobility. All RipNFlip Highbacks incorporate a tool-free forward lean a