Kwik Sew Pattern 2531 for a men's vest and pull-on jacket, designed for heavyweight stretch knits like fleece or heavy sweatshirt fleece. It is a vintage pattern, typically from the mid-to-late 1990s. The pattern includes two variations: The vest features a front zipper, binding on the bottom edge and armholes, a stand-up collar, front yoke, and forward side seams with pockets. The pullover jacket has a half-zipper on the yoke and collar, and binding on the bottom edge and sleeves. The pattern is sized for men in sizes Small (S) through XX-Large (XXL), fitting chest measurements from 34 to 52 inches.
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