Easily adjustable construction: start with a belt stripe. Work up and down to desired length. Wear it as a tunic or as a top.
Simple lace works up fast.

Green sample made in Bkue Sky Alpacas Skinny Cotton. Original plum swatch is in Sinfonia cotton by Omega.

I’ll be happy to help with pattern questions at Natasha Robarge: Love for Contemporary Crochet group.