Scraggliness

The great thing about mowing is that it is visually satisfying; with each overlapping pass, one more swath is shorn, and where there was once scraggliness and unkemptness, now there is neatness and trimness.

Source: wiktionary

Ditto for Uma Thurman, whose loose blonde strands were defiant in their scraggliness. Your mother would have called this kind of hair a bird's nest.

Source: wiktionary

He was dressed casually, expensively, a contrast to his older brother's ragged, threadbare clothes and general scraggliness.

Source: wiktionary