Prom Dresses 2018 Knit and Purl Stitch Patterns with Free Patterns and Video Tutorials in the Absolute Beginner Knitting Series by Studio Knit
Very cool way to get a waistline in a sweater. I also like the yarn, it looks like a quick knit and not too hot for summer. It's not an instant pattern, but seems easy enough to recreate
The video is in Russian, but if you watch and count along, it's easy to figure out the pattern and the repeat.