Ankle Support: Anatomical with ankle pockets. Stiffness Rating: 5.5 Surlin and hot-melt layering. Exterior Materials: Synthetic leather quarters, PVC abrasion pads. Interior Materials: Non woven liner. Tongue: Synthetic leather cover, felt. BioMorphicÅ boot design for improved flexure. Footbed: EVA Footbed. Outsole: Injected plastic. Blade-holder: White Formula holder with gray composite DriveShaft. Runner: Swedish stainless steel runners with precision laser cut. |