Embossed asymmetric flex-cuff functions with The Pump ankle bladders to maximize comfort Full-length comfort foam and lightweight HD molded foam saddle lace-bite guard combined with a foam-felt tongue maximize comfort and forward flex Clarino™ charcoal liner provides pro proven comfort and durability Comfort foam covers entire length of foot (inside and outside) MAX Armour™ PRO with pro-embossed package provides protection and durability F-I-T System™ footbed provides excellent fit and comfort New CustomLite cowling features a lightweight ProProfile, moisture exhaust vents, butterfly toe shield, TriLites and the first ever replaceable runner ProFormance stainless R30 runner delivers freedom of movement and long lasting edge