An 8x10 pastel. One has to remain simple at 8x10. Fortunately the original looks better than the photo image.
Macfarlane writes, "It is true that I remember the terrains over which I have walked barefoot differently, if not necessarily better, than those I have walked shod. I recall them chiefly as textures, sensations, resistances, planes and slopes: the tactile details of a landscape that often pass unnoticed."