Knitted with two strands of yarn using 6mm knitting needles. The brim was crocheted with a size 8 crochet hook. Please note that the brim does not have a core. 100% wool, dyed yarn This yarn has a unique color, like a mix of deep green with white to blue. At first glance, it looks black and white. Although it's yarn, it's very light and soft, and warm. How about this cute, round newsboy cap? Flat measurements: Width: 23cm Depth: 18cm Adult M size, head circumference 56cm Snug fit Material: 100% wool Color: Dyed white to deep green Please hand wash. It will be shipped compressed. Please understand that there may be creases. Please note that the actual color may appear different depending on your device and environment.