Best Insulation

With wind chill, the morning's temperature is well below zero, but Boss stays warm and cozy in his dun brown horsehair coat, just furry enough, with a black line down the back, black accent around the eyes, black stockings and subtle zebra stripes on the legs.  A quirky lopsided star on his forehead completes the ensemble.  This handsome coat is designed by C.*, and amazingly suited to all conditions. 
As you can see, the coat provides so much insulation that Boss's body heat does not melt the snow on his back.  The coat is cleverly devised so that Boss himself can adapt his coat's thickness to seasonal conditions, simply by growing more horsehair, or shedding the extra.  Who could imagine a more ingenious and convenient strategy?     
* C. = Creator.  C. also goes by numerous other names, depending on one's beliefs, culture or linguistic preference.