This pattern has the instructions for 9 different sizes, starting from newborn to adult large size.
The finished hat has some stretch but if you prefer a loose fit, simply use a larger hook

Difficulty: Intermediate
To create this design, you need to know: Puff Stitch, Double Crochet, Stitching in the 3rd loop only of hdc, Front post double crochet, Front post half double crochet, Back post half double crochet

• 0-3 months
• 3-6 months
• 6-9 months
• 9-12 months
• Toddler
• Child
• Teen/Small Adult
• Medium/Large Adult

Materials needed:
• 3.5 mm (E) Hook for 0-6 months and 6-12 months sizes
• 4.0 mm (G) Hook for 3-6 months, 9-12 months and child sizes
• 4.5 mm (US7) Hook for toddler size
• 5 mm (H) Hook for teen and small adult size
• 5.5 mm (I) or 6 mm (J) Hook for medium to large adult size
• Approximately 80-200 yards (40-90 grams) of worsted/aran
weight yarn (I used Paintbox Yarns Simply Aran and Aldi So
crafty Aran yarn), depending on the size chosen.
• Yarn needle for weaving in ends
• Scissors
• Optional: Faux fur pompom