Soft waves of yarn create a gentle, rhythmic texture that keeps little ones cozy during nap time. This blanket features a classic undulating pattern that is simple enough for beginners to master while remaining interesting for those who have spent years with a hook in hand. Working the peaks and valleys of this design feels meditative and steady, turning simple stitches into a heirloom-quality gift. You will learn how to maintain consistent tension across each row to ensure your edges stay straight and your ripples remain sharp. It is a satisfying project that transforms basic yarn into a beautiful keepsake.

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Why You’ll Love This Pattern

This classic crochet beanie works up quickly using a simple repetitive stitch sequence, making it a reliable project for busy evenings. The design relies on a basic half double crochet ribbing, which provides natural elasticity and a snug fit around the ears. You will appreciate the minimal finishing required, as the hat is constructed as a flat rectangle and seamed at the end to create a professional, store-bought look. Because it uses a medium-weight yarn, this project is ideal for using up leftover partial skeins from other blankets or scarves.

I finished this hat in two nights and it fits my head perfectly without feeling too tight or loose.

— Sarah, beginner crocheter

Pattern Overview & Skill Level

Skill Level: Beginner
Approximate Time: 3 to 5 hours
Construction: Worked flat in rows to create a rectangle, then seamed to form a tube with one end gathered shut.
Finished Dimensions: 18 inches circumference (stretches to 22 inches), 9 inches height.

Materials & Supplies Needed

Yarn: Worsted weight (#4), wool or acrylic blend, approximately 200 yards.
Hook Size: 5.0 mm (H-8).
Notions: Tapestry needle for seaming, locking stitch markers, scissors.
Safe yarn substitutions: You may use cotton yarn, though the finished hat will be heavier and have less natural bounce compared to wool or acrylic blends. Using a bulky weight yarn will require fewer chains and rows to achieve the same size, which will significantly alter the final dimensions.

Stitch Guide & Abbreviations (US Terms)

ch: chain
hdc: half double crochet
st/sts: stitch/stitches
BLO: back loop only. Insert hook into the back loop of the stitch instead of under both loops to create a ribbed texture.
sl st: slip stitch

Step-by-Step Pattern Instructions

Hat Body

The hat is worked sideways. You will chain the height of the hat and work back and forth in rows to create the width.

Row 1: Ch 35. Hdc in the second chain from hook and in each remaining chain across. Ch 1, turn. (34 sts)
Row 2: Hdc in the BLO of each st across. Ch 1, turn. (34 sts)
Rows 3-60: Repeat Row 2 until the piece measures 18 inches wide when slightly stretched.

Assembly & Finishing

Fold the rectangle in half so the short edges meet.
Using the tapestry needle and a long tail of yarn, whip stitch the two short ends together to form a tube.
Fasten off, leaving a 12-inch yarn tail.
Weave the long tail in and out of the stitches along the top edge of the tube.
Pull the yarn tail tightly to gather the top of the hat closed, creating a crown. Secure with several knots on the inside.
Weave in all remaining ends securely.

Care & Washing Instructions

Hand wash in cool water using a gentle wool detergent to preserve the elasticity of the stitches.
Lay the item flat on a dry towel and reshape it while damp to ensure it retains its intended dimensions.
Avoid using a tumble dryer, as high heat can shrink wool fibers or melt synthetic acrylic yarns, causing the hat to lose its shape.

Pro Tips & Common Mistakes to Avoid

Maintain consistent tension throughout the rows, especially when working into the back loops. If your tension is too loose, the ribbing will appear gapped and lose its shape over time. Use a stitch marker at the end of every row to ensure you are not accidentally skipping the last stitch, as this is the most common cause of a trapezoid-shaped rectangle instead of a perfect square. When weaving in ends, follow the path of the yarn stitches on the inside of the hat to keep the joins invisible. If you choose to adjust the size, add or subtract chains in increments of 2 to keep the pattern repeatable.

Frequently Asked Questions

Can I use a different yarn weight for this pattern?

Yes, but you must adjust the starting chain count and the total number of rows. A thinner yarn will require more chains to reach the desired height, while a thicker yarn will require fewer chains.

Is this project suitable for a complete beginner?

Yes, the pattern only requires basic chains and half double crochet stitches, making it a manageable starting point for those new to crochet.

How do I make the hat larger for a slouchy fit?

To achieve a slouchy fit, increase the number of rows worked. This will increase the circumference of the tube, creating more room to pull the hat down over the ears and allow for extra fabric at the back.

Can I sell the hats I make from this pattern?

You are welcome to sell finished items made from this design, provided you credit the pattern designer in your listing. Please do not redistribute or sell the written instructions themselves.

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Seeing those undulating rows grow row by row brings a sense of quiet satisfaction that every crocheter knows well. If you want to change the look for a different nursery style, try swapping the solid colors for a variegated yarn to create shifting shades without needing to weave in extra ends. Snap a photo of your finished work and share it with your friends to show off your progress. You can find more free patterns to fill your afternoon over on our project archive page.