Dual layered: Top layer Standard Comfort Plus with a bottom support layer
Mid Profile thickness: 5mm toe to 7mm heel
Most shock absorbing heel protection of any FP Insole
Deep heel cup adds stability and assists in joint stabilization
TPU layer under fabric for extreme durability
Absorbs more than 90% of shock energy in lab testing compared to only 53% in other “performance” insoles (ASTM F 1614-1999)
Same formula we use for NASA
Trim to fit