This is the men's 12" Western Acorn/Black Onyx Durango Rebel Pro style. This style is full grain leather with a soft mesh lining inside and has the Durango X-Pand System which is a hidden gore expansion for universal fit and easy on off. This style contains a comfortable 7-layer comfort system. The first layer is the Durango X-Treme Comfort Footbed with memory foam for all day comfort and support. The second layer is an EVA cushion layer that contours and molds to your foot.