A quick hat pattern that has both beginner instructions and also intermediate instructions for different working in the round options.

Hat pattern has instructions for both a traditional fitted toque and a slouchy version.

I recommend James C. Brett, Marble Chunky Yarn (312 Meters, 341 Yards per ball) for this project. One ball is enough to create both the hat and the matching infinity scarf (pattern available in my Ravelry store for free) Alternately, any yarn that fits the gauge can be used.