Powerstep Pinnacle MAXX - The next generation of foot orthotics, features the Heel Secure Comfort System(TM), a uniquely designed heel that offers a deeper cup and an expansive micro thing platform, mildly angled for maximum support. By providing medical grade control for the heel rolling in and arch lowering or overpronationFeatures:Deeper heel cradle and platform than original Pinnacle Double layer Hypercel EVA casing: Enhances heel to toe comfort Micro thin, mildly angled heel platform: Stabalizes and protects heel during landing Medical grade foot supports calibrated with flexibility for comfort Anti-microbial ETC fabric top cover