malleable foam lining the lens gives comfort next to the skin and prevents any gaps between the face and the visor

500D Reinforced Knees

ISI front makes the binding easier to step into

Sculptured cushion maximizes fit and comfort

Reinforced details by durable duratan

Spark R & D Surge ST Size:M malleable foam lining the lensThe 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