shoes prints in a row

active activity background barefoot best black boot business concept course definition design detailed element escape evidence flat foot footmark footpath footprint footstep footwear graphic high hiking horizontal human icon illustration imprint investigation isolated journey leg line male man metaphor mud object outdoors outside path people print prints quality resolution route shape shoe shoeprint shoes sign silhouette simple snow sole sport step steps straight symbol texture top trace track tracking trail traveler traveller trek vector walk walker way white