Open Top Hat.

Adult size (Large), can be adjusted to adult medium size or kid size
Hat is worked from rim to top

Material:
Yarn: Loops & Threads® Impeccable™ Yarn, Ombre- Tropical Storm 3.5 oz (1 skein)
To get the same pooling effect as the hat pictured, start the foundation chain at the blue color.

Hook: 4 mm and 4.5 mm crochet hook