Twin Tail Shape

7 ply Maple Construction

a flexible midsole wrap and a high-grade EVA midsole to provide the durability

Size: 63mm diameter for smooth and consistent roll speed

while the premium R2 liner maximizes responsiveness

FP Insoles Kingfoam Flat 5mm - Red Camo Size:4-7.5 Twin Tail ShapeKing Foam Insoles are a simple stock insole replacement. Features: Compatible with all foot types Trimmable if your size is out, get one size up and trim with scissors. Best for mid to high arch Absorbs 91% of impact energy in lab testing compared to 53% in other performance insoles (ASTM F 1614 1999) Proprietary material is the exact same formula used by NASA on the ISS for sensitive electronics protection.