Stitch Library Thermal Stitch Updated April 1, 2026 This post contains affiliate links. If you make a purchase through links on our site, I may earn a small commission. Click to see full details of my Privacy Policy. Pin it now, make later!592Shares Are you ready to learn one of the warmest crochet stitches around? Seriously, this stitch makes a wonderfully thick, sturdy fabric that’s perfect for projects that need a bit of extra OOMPH. If you’re looking for a way to add weight and warmth to a crochet project, you’ll love this Winter warmer. Perfect for making thick projects like potholders or sturdy bags and basket, it’s the coolest cold weather stitch you can learn. Ready to learn how to crochet the Thermal Stitch? TABLE OF CONTENTS1. Pattern Use Ideas2. Pin for Later3. Materials and Tools4. Pattern Notes5. Convert Pattern Terms6. Terms & Abbreviations7. Special Stitches8. Thermal Stitch Pattern9. Video Tutorial10. Right-handed11. Left-handedVIEW MORE▼ Pattern Use Ideas Potholders Baskets Bags Pin for Later Materials and Tools Yarn: I used MillaMia Naturally Soft Aran. Hook: Hook to match yarn and your desired gauge. I used a 5mm. Scissors Darning Needle Pattern Notes Written in UK terms but switchable to US terms below. Skill Level: Intermediate Stitch Multiple: 1 + 2 This pattern gives you the basic principles for the Thermal Stitch, designed to help you create your own projects. The video tutorial can be found at the base of the post. Convert Pattern Terms Here you can quickly switch between UK and US crochet terms. This will make following the pattern easier as all terms will be converted to your preferred version. view in UK terms view in US terms Terms & Abbreviations Chain(s): ch(s): Yarn over, pull through loop on the hook. Slip Stitch(s): ss(s): Insert hook, yarn over, pull through stitch and loop on hook. Double Crochet(s): dc(s): Insert hook into stitch, yarn over, pull up a loop, you will have two loops on the hook. Yarn over, pull through remaining two loops. Back Loop Only: BLO: Working into the back loop only of the stitch. Special Stitches Starting Thermal Stitch (SThs): Insert hook into BLO of next st PLUS the unworked ch on foundation ch, yo and pull up a loop, yo and pull through rem loops. Thermal Stitch (Ths): Insert hook into BLO of next st PLUS the unworked loop on the row below, yo and pull up a loop, yo and pull through rem loops.Closing Thermal Stitch (CThs): Insert hook into both loops of next st PLUS the unworked loop on the row below, yo and pull up a loop, yo and pull through remaining loops. How to Crochet – A Handy Reference Guide eBook Unsure of the differences between UK and US terms? Need a refresher on how to do your stitches? In my ‘How to crochet: A handy reference guide’ EBook I help you with all of these terms and you can always have them to hand! You will also get exclusive access to free video instructions. Learn more about the eBook here. Thermal Stitch Pattern You are viewing this pattern in UK terms. Chain in multiples of 1 + 2 Row 1: dc in BLO of second ch from hook (skipped ch does not count as st), dc in BLO of each ch across. Turn. Row 2: 1 ch (does not count as st), SThs in each st across. Turn. Row 3: 1 ch, Ths in each st across. Turn. Rep Row 3 until desired height. Final Row: 1 ch, CThs in each st across. Fasten off and sew in ends. Video Tutorial Right-handed Or you can watch on YouTube Left-handed Or you can watch on YouTube Want to keep up with what’s new on Bella Coco Crochet? The best way is to sign up to my newsletter, you get a weekly inbox that’s packed full of patterns, crochet chat and more! KEEP ON making Don’t miss a thing! Sign up to our newsletter, grab a cuppa and find out about the latest posts and projects. First name Email address Thanks! Please check your inbox (and junk) to confirm your subscription! Pin it now, make later!592Shares Further Reading... Royal Ridge Stitch December 6, 2020 Learn How to Crochet Basketweave Stitch: Free Pattern July 24, 2019 How to Crochet a Hexagon Granny: Free Pattern August 21, 2025 8 Comments Miranda November 21, 2020 at 6:08 am Can this stitch be worked into an infinity scarf? Reply Anita February 22, 2021 at 4:13 pm What about the hdc with the Thermal stitch? Reply Isabelle March 24, 2021 at 5:28 pm Could this stitch be used for a temperature blanket? Reply Kari December 28, 2021 at 11:57 pm Can thus stitch be done into a hat? Reply Jessica November 16, 2021 at 11:18 pm Love this stitch! How do you get such neat edges? I’m not sure which stitches to go in at the end of each row. Reply Christina January 20, 2022 at 4:42 pm What are recommended applications for this stitch? Reply Marilyn February 11, 2022 at 2:09 am I have been using this stitch with strips of nylon netting to make square scrubbies. I love them, they hold up so much better than the circular scrubbies you usually see. I also make the cotton pots holders. Reply Diane April 11, 2023 at 5:48 pm Is it possible to increase and decrease in the thermal stitch? If so, how?? thank you so much Reply Leave a Reply Cancel Reply Save my name, email, and website in this browser for the next time I comment.