Unconstructed
ahd-5
adjective.
Designed or made with little or no interfacing, padding, or lining to produce a loose, soft shape. Used of apparel.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Not (yet)
constructed
Word Usage
"Roper and Deborah Lader are recognizable folk types -- both lean and lanky, with a kind of unconstructed chic and wry, characterful voices."