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eS STI Energy Foam Insole


STI Energy Foam is a Sole Technology Institute engineered formula of high rebound foam that gives you the spring off the board and shock protection you need to skate at the highest level. Trim to size with care.

  • Small Size 7-8.
  • Medium Size 8.5-9.5.
  • Large Size 10-11.
  • Extra Large Size 11.5-13.
  • Enhance Rebound Foam.
  • 200% Energy Return (Fixed Load).
  • 40% Lighter Than Regular EVA.