Representing over a decade of evolution, the work horse SPi binding features Ride’s CustomFlex ankle strap for the infinite strap adjustment and the new 3D ThinGrip™ toe strap for superior boot to binding connection. Combined with Ride’s Wedgie 3.0 Footbed, FreeFlex highback and Power UL ratchets, SPi creates the perfect blend of lightweight comfort and customizable response. The SPi is built for versatile freestyle charging and ideal for exploring more mountain