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.

Features:

Enhance Rebound Foam
200% Energy Return (Fixed Load)
40% Lighter Than Regular EVA

Sizing Chart:

Small Size 7-8
Medium Size 8.5-9.5
Large Size 10-11
Extra Large Size 11.5-13