This pattern was updated on November 22, 2024, to reflect my latest style and layout. The instructions themselves remain unchanged—enjoy!

THE SCIENCE CAMP HAT is a simple all-over ribbing hat that can count as a basic staple in your wardrobe.

It uses the mock brioche rib stitch (which has plain knits and purls only) that gives a fuller and squishier garment than the regular rib stitch. The ribbing is very elastic and makes it a comfortable fit for a variety of head sizes.

I started making this hat at the time when my older one was all set to go to her first science camp. First stay away from home is such a big deal for our little ones.
While I was struggling with my own mixed emotions of seeing my little one take a big step, it was soothing to knit this steadily flowing hat. I hope you enjoy the pattern as much as I did and make one for your loved one who is about to take a big step. :-)

This design was done in collaboration with Knitcircus yarns. I had the pleasure of working with their beautiful gradient yarn.

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SIZING
Sizes A (B, C) to fit Head Circumferences
18 - 19 (20 - 21, 22 - 24)″ / 46 - 51 (51 -
56, 61 - 66) cm.

FINISHED MEASUREMENTS
Hat Circumference: 11 (15, 18)″ / 26 (38,
45) cm.
Hat Height: 8 (10, 11.75)″ / 20 (25, 29) cm.

YARN REQUIREMENTS
95 (165, 225) yards / 87 (151, 206) m of
Worsted weight yarn.

YARN USED IN SAMPLE
Knitcircus Ringmaster Worsted, 100%
Superwash Merino 185 / 169 yards per 100g
/ 3.5oz.
Note: Size B sample is shown in pictures.

NEEDLES USED
3.75 mm / US 7 circular needles, minimum
16″/ 40cm.

Optional: 3.75 mm / US 7 dpns, set of 4
or 5 to finish the crown.

GAUGE
23 sts & 32 rows = 4″/10 cm, in pattern,
in the round, unstretched.

NOTIONS
1 stitch marker, tapestry needle.