MCCALL'S M8637 is a paper sewing pattern for a unisex knit vest, cardigan and ankle-length pants in sizes XS–XXL. The V-neck vest and cardigan have button fronts, dropped shoulders, neck bands and hem bands; the cardigan adds long sleeves and front pockets. The pull-on pants have an elastic waist and pockets. Designed for moderate-stretch knits such as cotton knit, French terry, ponte and sweater knits. Sewing level: intermediate.