This hot weather crochet hat pattern is your go-to project for sunny days and outdoor adventures. Designed with breathability in mind, this lightweight hat uses cotton yarn to ensure comfort and style even in the hottest months. The alternating rows of single and treble crochet create a beautiful lacy texture, while shaping techniques ensure a flattering fit.
Crochet Hat

Whether you’re heading to the beach or lounging in your backyard, this hat is a versatile accessory that offers both sun protection and chic summer style. Plus, with customizable sizing and a simple, step-by-step method, it’s perfect for crocheters of all levels.
Materials Needed
- Crochet hook
- Scissors
- Needle
- Alisa cotton yarn
Initial Setup
- Create a loop with the crochet hook.
- Chain 2.
- Work 12 half double crochets into the center.
- Slip stitch to close the round.
- Chain 2 and turn your work.

Increasing Rows (Rows 1–10)
- Row 2: Work 2 half double crochets (hdc) in each stitch around.
- Row 3: Repeat 2 hdc in each stitch around.
- Row 4: 1 hdc in the first stitch, 2 hdc in the next, repeat around.
- Row 5: 3 hdc, then 2 hdc in the next stitch, repeat around.
- Rows 6–7: Work 1 hdc in each stitch around (no increases).
- Row 8: 4 hdc, then 2 hdc in the next stitch, repeat around.
- Row 9: 3 hdc, then 2 hdc in the next stitch, repeat around.
- Row 10: Repeat Row 9 pattern.
Single Crochet Rows (Rows 11–12)
- Work 2 rounds of single crochets (sc) tightly to shape the crown.
- Helps start curving the top of the hat downward.

Treble Crochet Rows
- Chain 5 to begin.
- Yarn over 3 times, skip 1 stitch, work treble crochet (tr) in next stitch.
- Chain 1, skip the next stitch, and repeat the treble crochet pattern around.
Alternating Rows
- Work 2 rounds of sc.
- Work another row of treble crochet as described above.
- Continue alternating: 2 rounds of sc followed by 1 round of tr.

Shaping the Hat
- Work 4 rounds of sc.
- Row 3: 10 sc, then increase (2 sc in 1 stitch), repeat.
- Row 4: 7 sc, then increase, repeat around.

Opening the Hat
- Work 1 round of treble crochet, skipping 1 stitch between each.
- Work 1 round of sc, increasing every 5 stitches.
- Work 1 round of normal sc (no increases).
- Repeat: 5 sc, then increase, around.
Final increase round: 7 sc, then increase, repeat.

Finishing
- Cut yarn and weave in the tail using a needle.
- Spread the hat out evenly to display the final result.





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