Search craftmarks

Pattern by KnitSteph. This uses an Open Twisted Rib stitch pattern that makes it very stretchy and pretty much one size fits all. If you need to size up or down, you can remove or add stitches in a multiple of 5.

Shrug pattern by Berroco Design Team. Looks like it's ribbed all the way.

Pattern by Gina Bonomo. Finished Measurements: 15 in wide x 50 in length: or you can outstretch your arms, measure from wrist to wrist and use that measurement for length of your shrug laying flat.