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Summer Chemo Cap with a Sun Hat Brim | Free Crochet Pattern

Kris

This summer chemo cap with a sun hat brim will provide comfort whether you are walking through your garden, heading to the beach, or sitting on the porch with a cup of coffee.

When the weather turns warm, finding a comfortable summer chemo cap can be difficult. Many chemo caps are designed for warmth, but summer brings a completely different need. 

This crochet chemo cap for summer is designed to help you feel comfortable and confident. The Free Crochet Pattern is down below or you can purchase the ad free pdf at RAVELRY or ETSY.

Why I Designed This Summer Chemo Cap with a Sun Hat Brim

Every chemo cap I design begins with a purpose.

As a breast cancer survivor, I understand how deeply life can change after a diagnosis. While I did not personally go through chemotherapy, my journey gave me a new understanding of what it means to face uncertainty, strength, and healing all at once.

Over the years, I have heard from so many crocheters who make my chemo caps for loved ones, friends, church members, and cancer centers.

Their stories are always seem to hit the same note. Handmade items bring comfort in moments when words are not enough.

Cancer patients don’t just want coverage from a hot to wear chemo cap. They want to be comfortable and feel like themselves again.

Life does not stop during treatment and this chemo cap with the sun hat brim has that in mind.

It’s lightweight, feels soft against the skin with a design that allows air flow.
The gentle brim offers shade without feeling heavy or restrictive.

We still have gardens to tend, family to visit, walks to take, and easy quiet moments outside, that matter deeply.

If this hat helps even one woman step outside and feel a little more like herself, then it has done exactly what it was meant to do.

Why You’ll Love This Summer Chemo Cap

This design focuses on comfort first, with just enough style to make it feel special.

Features of This Crochet Chemo Cap

The brim is intentionally modest, more like a relaxed bucket hat shape, so it stays wearable for everyday life without feeling oversized or heavy.

Why Cotton Bamboo Yarn Works So Well

Choosing the right fiber is especially important when making a hat for cancer patients or anyone with a sensitive scalp.

Cotton bamboo yarn offers the best of both worlds:

This combination makes it ideal for a summer chemo cap, especially when paired with an open mesh stitch that allows airflow and reduces heat buildup.

A Chemo Cap Designed for Real Life

This hat was made for everyday summer moments, such as:

The goal was simple: create a crochet chemo cap that feels comfortable enough to wear all day, not just for short outings.

Who Is This Crochet Chemo Cap For?

This pattern is designed for anyone needing a soft, breathable head covering, including:

Whether you are making this free crochet chemo cap pattern for yourself or as a gift, my hope is that it brings comfort, dignity, and encouragement.

Ravelry Code: SUMMER SUN HAT

Free Crochet Pattern

I am so happy to share this Summer Chemo Cap with a Sun Hat Brim as a free crochet pattern here on my blog.

If you prefer a printable, ad-free version, you can also find the full PDF available in my Etsy and Ravelry shops.

Supplies For Chemo Friendly Sun Hat

Yarn:

Lion Brand Coboo (3)

51% cotton; 49% rayon

232 yds/232 meters per cake

3/4 of the cake was used. It is recommended to lay flat & dry. Others who have used this yarn highly recommend this method to help the yarn keep its beauty.

Gauge:
4” x 4” = 17 st’s across x 13 rows high
Make a swatch, ch27, hdc in 2nd chain from hook and in each ch across, ch1 & turn:
*Hdc in each st across, ch1 and turn* repeat 15x  

Hook:

G–6/4.0mm    

Stitch Guide:

MC = Main Color
CC = Contrasting Color
join w/ = join with
slp sts = Slip Stitch
ch = Chain   

sc= Single Crochet

dc = Double Crochet

sp = Space

nxt = Next

st = Stitch

*  * = Execute sequence between the stars, the number of times stated

x = Times; example Repeat 2 x or 2 times; 3 x or 3 times and so on

flo = Insert hook and place the stitch in the Front Loop Only

Special Stitches:

V st = V Stitch = (dc, ch1, dc) in stitch indicated, or dc, in ch1 sp indicated, ch1, dc in that same sp. 

beg. V = Beginning V stitch = ch4, dc in same space indicated in the pattern. ch4 counts as (dc, ch1)

Cross Stitch: Skip st, dc in nxt st, cross back passing hook in front of prev. dc, put a sx in st that  was skipped or in the st indicated in the pattern.

Who Is This Crochet Chemo Cap For?

This lightweight chemo cap is a wonderful choice for:

Whether you’re making this free crochet chemo cap pattern for yourself or creating a hat for cancer patients through your local church or community group, I hope it brings both comfort and encouragement.

Sometimes the smallest handmade gifts carry the biggest blessings.

Chemo Friendly Sun Hat Crochet Pattern

Xsmall – medium (19”-21” head)

CH 3, join in ring, or use magic circle

Round 1: All stitches will be in the ring

beg. V in the ring; 6 V’s in the ring; join w/slp st to 3rd ch of beg. V (7 V’s)

Round 2: beg. ch4 counts as dc, ch1

Slp st into ch1 sp; ch4, dc in same ch1 sp, ch1; *V in nxt ch1 sp, ch1;* 6x; join w/slp st 3rd ch of beg. ch4 (7 V’s & 7 ch1 sp)

Round 3:

slp st into ch1 sp; beg. V in same ch1 sp.; *V st in nxt ch1 sp and in each ch1 sp around; join w/slp st in 3rd ch of beg. ch4 (14 V’s)

Round 4:

Slp st into ch1 sp; ch4, dc in same ch1 sp, ch1; *V in nxt ch1 sp, ch1;* 13x; join w/slp st 3rd ch of beg. ch4 (14 V’s & 14 ch1 sp)

Round 5: 

slp st into ch1 sp; beg. V in same ch1 sp.; *V st in nxt ch1 sp and in each ch1 sp around; join w/slp st in 3rd ch of beg. ch4 (
28 V’s)

If you would like an ad free pdf if can be picked up at RAVELRY or ETSY.

Round 6 – 14: (Color Change at the end of Round 14)

slp st into ch1 sp; beg. V in same ch1 sp.; *V st in nxt ch1 sp;* Repeat between *  * around; at the end of round 14 drop MC at the last pull thru and pull up CC at the join w/slp st in 3rd ch of beg. ch4 (28 V’s)

Measurement check = length from top of crown 7.75″-8”

Round 15 & 16: sc rounds

ch1, sc in joining st, and in each ch1 sp & dc st around; join w/slp st to beg. sc (84 sc)

 

Looking for More Chemo Hat Styles?

If you enjoy this Summer Chemo Cap, you may also love my Structured Chemo Cloche. Unlike this lightweight summer design, the Structured Chemo Cloche is worn over a close-fitting chemo cap, giving you the look of a stylish cloche hat while maintaining the comfort and coverage of your favorite chemo cap underneath. It’s a wonderful option for cooler days, special occasions, or anytime you’d like a more polished look.

Round 17: Cross Stitch Round

ch3, cross in front of beg ch3 and dc in the last st of round 16; *cross st in the nxt two st’s;* repeat between the *   * all the way around; join w/slp st to 3rd ch of beg ch3  (42 cross st)

Round 18: sc round

ch1, sc in joining st, and in each st around; join w/slp st to beg. sc (84 sc)

Round 19: Increase & color change round

ch1, sc in joining st, and in nxt 3 st’s, 2sc in nxt; *sc in nxt 4 st’s, 2sc in nxt:* 15x; sc in nxt 3 st’s, 2sc in the last st; drop CC and pull up MC at the join w/slp st to beg. sc (101 sc)
Measurements = length from top of crown 7.5″; Width folded flat = 11″

Round 20: increase & front loop only round

ch1, sc in flo of the joining st, sc in flo of nxt 9 st’s, 2sc in flo of nxt st; *sc in flo of nxt 10 st’s, 2sc in flo of nxt st:* 7x; sc in flo of nxt 9 st’s, 2sc in flo in the last st; join w/slp st to beg. sc (110 sc)

Round 21: sc round

ch1, sc in joining st, and in each st around; join w/slp st to beg. sc (110 sc)

Round 22: increase round

ch1, sc in joining st, sc in nxt 10 st’s, 2sc in nxt st; *sc in nxt 11 st’s, 2sc in nxt st:* 8x; sc in the last st; join w/slp st to beg. sc (119 sc)

Round 23: sc round

ch1, sc in joining st, and in each st around; join w/slp st to beg. sc (119 sc)

Round 24: cross st round

ch3, cross in front of beg ch3 and dc in the last st of round 23; *cross st in the nxt two st’s;* repeat between the *   * all the way around; skip  last st; join w/slp st to 3rd ch of beg ch3
(59 cross st)

Round 25: sc round

ch1, sc in joining st and in each st around; join w/slp st to beg. sc (119 sc) End off and weave in all ends.
Brim Measurement = 1.5” (round 19-25)

 

 

Thank you for being here and for helping support handmade comfort for those walking through cancer treatment.

Every stitch matters. Every hat matters. And every act of kindness—no matter how small—has meaning.

Happy crocheting,
Krissy

 

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COPYRIGHT STATEMENT This crochet pattern is protected by copyright© Krissys Over The Mountain Crochet 2026. Do not sell, alter or redistribute this tutorial or it’s photos in any way or form. You the maker are responsible for the finished product.


Safety & Care: This pattern is for crafting use only. The maker is responsible for safe material choice and finished item use. For full details, visit: krissysoverthemountaincrochet.com/krissys-otm-crochet-and-crafts-safety-care-guidelines/

Designer: Kristina L Moore / business: KrissysOverTheMountainCrochetAndCrafts
https://krissysoverthemountaincrochet.com
email-krissy@krissysoverthemountaincrochet.com
March 2026

 

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