Week 25-1: How to make the big skirt?

The structure is very simple. This skirt is just very big and heavy, should be dramatic.
It describes a heap of something in a corner of a street, or layered rags and clothes which homeless may put on. The huge shape has a certain existence but it also will be fusing into an ordinary street scene, like people don't care about homeless much. It is a 'shapes but no shape' or 'existence but not recognizable (or try not to?)'. 
The silhouette is also unclear and almost random shape. It opposites to white collars who wear neat tailored suits. It represents a style lower than casual wear, just rag, to describes people's poverty in The Great Depression.

Anyway, let's have a go!