Es - STI Energy Foam Insoles

Sole tech have lead the way in trainer innovation since the 90's, STI Energy Foam is a Sole Technology Institute engineered formula of high rebound foam, absorbing impacts and supporting the footbed.

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

These things come as standard in the latest update of the legendary Accel Slim shoes, after you've tried em it's easy to understand why

Sizing

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