Mimic the look of the mistake rib knitting stitch pattern by combining stitches of different heights and working in the back loop. When crocheted with wool, this pattern creates a stretchy cap that can accommodate a range of sizes.

This pattern is available for FREE on my blog by following the link below.

The free version is supported by advertising on my website. The downloadable pdf for sale on Ravelry includes includes the full pattern in one printable file without advertisements.

Skills used
Basic crochet stitches: chain, half double crochet, single crochet, slip stitch
Working in rows, working in rounds, decreasing, seaming, crocheting in back loop only
Special stitch: invdec (written explanation provided in pattern)

Skill Level
Easy

Finished Sizes
Newborn (3-12 month old, 1-2 year old, 3-5 year old, 6-10 year old, Teen/Adult small, Adult medium, Adult large).

Newborn: 10” (25.5 cm) hat circumference x 6” (15 cm) height.
3-12 month old: 12” (30.5 cm) hat circumference x 8.5” (21.5 cm) height.
1-2 year old: 12” (30.5 cm) hat circumference x 9” (23 cm) height.
3-5 year old: 12” (30.5 cm) hat circumference x 9.5” (24 cm) height.
6-10 year old: 13” (33 cm) hat circumference x 10” (25.5 cm) height.
Teen/Adult small: 14” (35.5 cm) hat circumference x 10.25” (26 cm) height.
Adult medium: 16” (40.5 cm) hat circumference x 10.75” (27 cm) height.
Adult large: 18” (46 cm) hat circumference x 11” (28 cm) height.

Materials
Molly Girl Yarn Chart Topper (100% superwash Merino wool, 3.5 oz/100 g, 220 yd/201 m) – 1 (1, 1, 1, 1, 2, 2, 2) skeins in Chart Topper, or equivalent amount in any medium weight wool yarn. (I recently learned that Molly Girl discontinued the Chart Topper yarn. Her Rock Star yarn would be a great substitute.)

US Size H-8/5 mm crochet hook, or any size needed to obtain gauge.
Yarn needle.

Gauge
20 sts x 17 rows in pattern = 4” (10 cm) in pattern, pinned flat but unblocked. For best fit, always check your gauge.