Hiking boots with uppers made from stiff materials can restrict the natural articulation of the ankle joint causing discomfort when walking. CFS answers this problem by carefully positioning panels of soft pliable materials in specific areas of the upper. These soft compressible panels act like hinges to allow the natural articulation of the ankle in a fore/aft direction.
Hard incompressible components such as lace eyelets are either made from soft textile materials instead or repositioned so as to not cause pressure points or impede articulation. CFS greatly enhancing the ergonomics of hiking boots is resulting in a more comfortable and natural walking action.