Many designers know that you do not design for the average, but for the edges. The middle figures itself out. So how do we accommodate 200lb guys who weight lif

Many designers know that you do not design for the average, but for the edges. The middle figures itself out. So how do we accommodate 200lb guys who weight lifted this morning and 100lb girls who havent exercised in a while? Maybe some kind of climate zones? It usually a lot easier to get warmer (clothes) than to get cooler (less clothes isnt usually appropriate) .