500D Reinforced Knees

the Progression Mitts were inspired by the hard charging BD athlete team

0 is Nylon with 15% Glass Fiber

Reinforced details by durable duratan

ISI front makes the binding easier to step into

Spark R & D Surge ST Size:M 500D Reinforced KneesThe Surge ST is trusted by professional big line riders and mountain town legends alike. Its a powerful binding perfect for big days and big lines. Solid baseplate design, stiffer Asym Rip N Flip Highbacks, and more supportive Pillow Line Ankle Straps combine to give riders greater control in demanding terrain. All Surge ST bindings incorporate our industry leading Tesla T1 technology. Our Smooth Touring (ST) Tech is featured on our ST Brackets and ST