My 100% Cotton Costco Sheets are so Nice, I Bought Them TWICE (I’m Still Using Them 2 Years Later!)

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My favorite high-quality Costco sheets while have you replacing the bedding in your entire home.

woman holding folded set of kirkland 680 Costco sheets

Get ready to sleep like a baby in sheets that feel like pure luxury.

Even the toughest bedding critics will love these highly-rated pure cotton Costco sheets. We often get asked as a team for bedding and sheets recommendations, so I was thrilled to share my personal favorite sheets ever! I consider myself a sleep enthusiast and happen to love a good set of nice quality cotton sheets.

corners of kirkand 680 sheets on the bed

After a full year of enjoying my first set of Kirkland Signature 680 thread Costco sheets, they still look and feel so great that I just bought another set to have on hand. Having sheets that check all the boxes including, covering all the corners nicely, is a must and I now tell everyone about them!

Kirkland Signature 680 Thread Count 6-piece Sheet Set starting at just $74.99!

Here are all of the sizes available:

  • Full – $74.99
  • Queen – $79.99
  • King – $89.99
  • Split King – $99.99
  • California King – $89.99
  • Split California King – $99.99

Become a Costco Member today with the latest Costco Membership Deal!

best costco sheets kirkland 680 in-store view

Take your pick between 7 colors and 7 sizes of sheets!

I personally enjoy stocking my home with fresh white sheets and towels for luxury hotel vibes, but I totally understand this isn’t everyone’s style. These Kirkland Signature sheets do come in several other colors and sizes from twin on up to California king. They do sometimes go on sale throughout the year, so definitely keep your eyes open!

Keep in mind, though, that sizes and colors do tend to sell out fast when they’re restocked, so if you have really been wanting to grab a set, you may want to snag one now.

Do you have a deep mattress? It’s important to note that the fitted sheet accommodates up to 18″ deep mattresses!

holding the best costco sheets in-store

Here are 6 reasons I am in LOVE with these fantastic Kirkland Costco Sheets:

1. The elastic around the edges of the fitted sheet ROCKS!!!

showing elastic on bottom sheets

Are you tired of the bottom sheet coming off in the middle of the night? Well, these sheets have a unique extra thick elastic called Grip-On corner fit technology. It features an extra piece of elastic that runs up the corners, ensuring that they stay in place. This is a game-changer, and honestly so helpful!

2. All the sheet sets come with double the pillow cases!

4 sets of pillow cases

This means you’ll get 4 pillowcases in the king-sized sheet set, and 2 in the twin size sheet set! That is much appreciated because my husband and I sleep with two pillows, and I end up buying extra pillowcases with other sheet sets.

3. 100% cotton sheets are breathable and my favorite for keeping cool.

costco Kirkland signature 680 sheets on a bed

I love the smooth soft texture these sheets have and they are truly a joy to sleep on. They aren’t too heavy or thick either. I dislike being hot while sleeping, so these work for me at staying cool and not feeling too heavy.

4. Never guess which side of the sheet goes where while making the bed again!

kirkland sheets tag

There is an orientation label on these sheets to tell you which direction they fit! I feel like this is a genius idea and all sheets should include this little gift. Ha!

5. My Costco sheets wash up so well, and have stayed white!

washing kirkland sheets

I am super impressed at how well my white sheets have washed up and stayed looking white and fresh. I don’t do anything special except washing with detergent and once in a while adding washing soda.

Hip Tip: Follow these helpful tips for keeping white bedding bright without bleach!

6. Feel confident with Costco’s excellent customer service and return policy!

woman holding a Costco Executive Membership

If you are not 100% satisfied with your purchase, you can return them because of Costco’s excellent customer service and return policy. That’s one of the main reasons I keep my Costco membership year after year and love everything from the Kirkland brand!

woman in bed with white costco sheets

Give me a cool room, comfy pajamas, and some nice quality cotton sheets, and I’m all set.

I know it can be kind of tricky to find quality sheets that are affordable and check all the boxes, but I am completely hooked on these Kirkland sheets and am happy to recommend them. Even though these are not the least expensive option for sheets (priced at around $80 for a king-sized set in-store), they are worth it in my opinion. If you can catch them on sale, it’s even better!

Let us know in the comments if you have tried them too! 

Weigh in on our “Do you need a top sheet debate?!”

About the writer:

Lina has a Bachelor's Degree from Northern Arizona University with 11 years of blogging and photography experience having work featured in, Martha Stewart, Country Living, Fox News, Buzzfeed, and HGTV.

Join The Discussion

Comments 23

  1. AnnA

    Do these sheets stay wrinkle free? Thank you.

    • Lina D (Hip2Save Sidekick)

      No they will get a little wrinkled if you leave in dryer or don’t fold right away. I do have tips for that. You can put them on a little damp and smooth them out, or use a wrinkle release spray. I actually made my own recently combining a little fabric softener and water in a spray bottle. Worked great.

      • AnnA

        Awesome. Thank you Lina.

  2. shey59

    Do these feel like the thick hotel cotton sheets at nicer hotels, most of those have percale in them and these are 100% cotton so wondering how they compare. I been buying the Belk Hotel 1000 thread sheets with percale but those aren’t available anymore.

    • Lina D (Hip2Save Sidekick)

      Oh interesting! Ya they definately have a nice thick feel but not too hot.

    • JD827

      A Star Hip2Saver is a recognized member of our Hip2Save community hand selected by our team for demonstrating a long history of engagement with helpful & friendly comments across and our social channels. Our Star Hip2Saver badge acts as a verification for readers who know the ins and outs of all Hip2Save sets out to accomplish — assisting our community to live extraordinary lives on ordinary budgets. Readers cannot pay or provide any sort of exchange in order to earn this badge. Rather, they are invited to participate by a member of the Hip2Save team and opt to have the Star Hip2Saver badge added to their profile & comments.

      Percale refers to the weave type rather the fabric material itself. Percale is either cotton or a cotton blend. High quality cotton with a long single thread rather than multiple threads twisted together to make a single thread are much softer and last longer. It is very very hard to tell these days from the packaging what you are really getting. My advice is to ask any older relatives that are downsizing what is in their closet and look at yard and estate sales. I am on the older side and predate synthetic fabrics. I don’t miss ironing the sheets and starching and ironing my father’s dress shirts but the feel of the fabrics on the body is tough to duplicate these days. I have gravitated to Vera Wang sheets from Kohls as an acceptable balance of price, feel on the body and longevity of the sheets.

  3. Lisa

    Wish Costco weren’t clear across town and super inconvenient for me. These deals always look great!

    • Liz

      I ordered online and shipping was free!

    • sarah21

      The closest Costco to me is 140 miles.

  4. Lori

    I have these sheets too! They are the best for hot summers. I absolutely love them. I bought a pair at least ten years ago from Costco and frequently looked to find them again. I was so happy when I saw they were back. I think it’s the Pima cotton that makes them so soft and silky.

    • Lina D (Hip2Save Sidekick)

      Thanks Lori! Yes, love how they feel!

  5. cici

    Thanks for the review! We bought 3 sets yesterday for our bed and guest beds. We buy everything at Costco, but have never tried their sheets for some reason!

    • Lina D (Hip2Save Sidekick)

      Oh nice!! That’s great! I hope you like them as much as I do 🙂

  6. Lisa

    Love this sheets. I had a pair that lasted for almost 10 years. Just bought 2 sets yesterday at Costco. If your looking for a good nights sleep this sheets are the BEST!

    • Lina D (Hip2Save Sidekick)

      ohh yay! Thanks for sharing Lisa!

  7. Tracey

    Are they the same price in store?

    • Lina D (Hip2Save Sidekick)

      Hi! They were $15 off in store but may want to call as it may have ended.

  8. Judy G

    These sheets were absolutely wonderful the first two or three years, not sure what year I bought them, but I expect high quality sheets to last in the realm of 10-15 years, which is why I splurged on these high quality sheets. About a year ago the top sheet all of a sudden had a great lengthwise split occur, as though all of the cross-weave fibers just wore out. I made a great and unsightly repair using my zig-zag feature on my sewing machine, and life went on. Last night I got up in the middle of the night and as I got out of bed, felt my hand go through an absolutely identical type of rip in the fitted sheet. I suspect manufacturing flaw, and a lot of folks who are raving about these sheets when new will experience the same thing in a couple years.

  9. Ken

    Be careful about the size of your mattress and this fitted sheet. King is only 76.5 x 80.0 inches. Most fitted King sheets are 78×89.

    • Ken

      Sorry, most are 78×80. Can’t figure out how to edit my post.

      • Jessica (Hip Sidekick)

        Thanks for the heads up on the sizing, Ken. ❤️ Good to know that it’s helpful to check the mattress and sheet dimensions before ordering for the best fit. 🤗

  10. Matt

    Do they use dyrs for the blue and gray? And do they use a dyes for the off-white natural color?

    • Matt

      What chemicals are used to dye the different colors?

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