Waist material is an important part of clothing, and there are a few different materials that can be used. The crossword solutions for waist material include SASH (4 letters), OBI (3 letters), and lovehandles (11 letters). A SASH is a long strip of fabric that is worn around the waist or over one shoulder. An OBI is a wide SASH that is traditionally worn with a kimono. Lovehandles is not a type of material, but rather a slang term for excess fat around the waist.