Yarn Weight - 6 Super Bulky. Super Bulky Yarn includes the following yarn types: Bulky, Roving. Super Bulky yarn is very thick and is ideal for quick knit sweaters and blankets. It is also ideal for scarves, cowls and other knit and crochet apparel. If you want to make your projects fast we carry a wide range of super bulky yarn. This is a popular thickness as projects can be made very quickly.