Dispersed-air footpad

A footpad, comprising:

• a pad having size and shape for load-bearing disposition in a shoe, sock, or the like, said pad having an upper surface;
• a plurality of lugs disposed on said upper surface;
• each said lug having a top surface, a plurality of side surfaces, and a plurality of edges defined by the intersection of said side surfaces with said top surface;
• a plurality of said edges being defined in mutually parallel relation on mutually proximate lugs;
• said lugs being located to receive a downward pressure incident upon said top surfaces thereof and to transmit said downward pressure to said pad;
• said lugs being capable of transition between a first condition and a second condition, said first condition obtaining when said downward pressure does not exceed a predetermined transition value, said second condition obtaining when said downward pressure exceeds said transition value;
• said side surfaces of said lugs in said first condition, together with said upper surface of said pad, defining therebetween a void;
• said edges of said lugs in said second condition abutting and forming a substantially continuous and substantially uniformly supportive surface,
• said edges of a plurality of said lugs defining the top surfaces of said lugs as polygonal;
• said edges of a first plurality of said lugs defining said top surfaces thereof as m-gonal, said edges of a second plurality of said lugs, interspersed among said first plurality of lugs, defining said top surfaces thereof as being n-gonal, m and n being unequal integers so chosen, and said lugs being so placed and so oriented, that a plurality of edges of said first and second pluralities of lugs are disposed in mutually parallel relation on mutually proximate lugs.