Keystone Hat Crochet Pattern

The Keystone Hat crochet pattern was designed as part of the Cancer Challenge. It was created to honor the caregivers who give so much of their time, emotions, and support to help those who are going through cancer and/or chemo.

Keystone Hat Crochet Pattern

This year the cancer challenge took on a new meaning to me. In January my husband was diagnosed with stage 4 UTUC cancer. I chose the color plum to represent those caregivers who give tirelessly of themselves in order to do whatever needs to be done for their loved ones.

The keystone of any architectural building is the stone that holds the entire building together and without things would fall down. I feel like that’s what caregivers do for those going through chemo or any other life threatening illness. They try to hold it all together, put the weight on their own shoulders, and pick up the pieces when they do fall. The stitch combo I used reminds me of that keystone archway.


Finished Sizes: Toddler, Child, & Adult

Yarn: #4 worsted weight – Sample used: Yarn Bee Soft & Sleek – samples made in both Plum & French Lilac.

Hook: Size J/10 (6 mm). Change hook size to get correct gauge if needed.

Notions: Yarn Needle

Difficulty: Advanced Beginner

You will need to be familiar with basic stitches, working in rows below, as well as increasing. Once you get past the increases the pattern is pretty straightforward.

The downloadable ad-free PDF is available for purchase in my shops:


More links about the Cancer Challenge are below:

  1. Cancer Challenge Introduction, what is it, click HERE.
  2. What type of hat should I make, what sizes and where should I get the patterns, click HERE
  3. What type of yarn is recommended for the hats, click HERE
  4. Where should I donate my hats, click HERE
  5. A fun “”start early”” project you can add to your hats, click HERE
  6. Challenge others to join and more fun information, click HERE

Happy Crocheting!

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