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. NOT RESPONSIBLE IF YOU CUT IT WRONG! TRIM CAREFULLY!

• Small Size 39-41
• Medium Size 41.5-42.5
• Large Size 43-45
• Extra Large Size 45.5-47
• Enhance Rebound Foam
• 200% Energy Return (Fixed Load)
• 40% Lighter Than Regular EVA