They have an elasticated ankle too and a waist tie.
Made of Cotton.
Product Code: CATREA
Afghan trousers with elasticated, rouched back for top comfort.
They come in two sizes:
SMALL / MEDIUM: UK 8 / 10 (USA 4 / 6);
MEDIUM / LARGE: UK 12 / 14 (USA 8 / 10).
The leg length for both sizes from waist to hem is cm 99 / inches 39.