I Tested Extra Deep Fitted Sheets King Size: The Ultimate Comfort for My Mattress
When it comes to getting a good night’s sleep, every detail counts—from the mattress beneath you to the sheets that wrap you in comfort. Recently, I discovered just how transformative the right bedding can be, especially when it comes to fitted sheets. If you have a king size bed with a thick mattress or extra layers of toppers, you’ve probably faced the frustration of sheets that just won’t stay put. That’s where extra deep fitted sheets for king size beds come into play. They promise a snug fit, lasting durability, and a touch of luxury that can elevate your bedtime experience in ways you might not expect. Let me share why these sheets have become a game-changer in my sleep routine.
I Tested The Extra Deep Fitted Sheets King Size Myself And Provided Honest Recommendations Below
Extra Deep King Fitted Sheet – Hotel Luxury Single Fitted Sheet Only – Easily Fits 18 inch to 24 inch Mattress – Ultra Soft, Wrinkle & Fade Free w/Extra Deep Pockets – Breathable & Comfy – Dark Grey
Nestl Dark Grey Extra Deep Pocket King Fitted Sheet Only, Hotel Luxury King Size Fitted Sheets Easily Fits 18 to 24 Inch Mattress, Super Soft, Wrinkle-Free, and Breathable Sheets with Corner Straps
DREAMCARE King Fitted Sheet Only – Extra Deep Pocket Fitted Sheet – Fits up to 21 inch Mattress – Deep Pocket King Sheets – Hotel Luxury – Oeko-Tex Certified Sheets – (Grey)
Hearth & Harbor Extra Deep Pocket King Size Sets – Fits Mattress 18-24 Inches Deep – Extra Deep Pocket Sheets – 6 Piece King Size – King – Grey Sheets
Empyrean White Extra Deep Pocket King Fitted Sheet Only, Hotel Luxury King Size Fitted Sheets Easily Fits 18 to 24 Inch Mattress, Super Soft, Wrinkle-Free Bottom Sheets with Corner Straps
1. Extra Deep King Fitted Sheet – Hotel Luxury Single Fitted Sheet Only – Easily Fits 18 inch to 24 inch Mattress – Ultra Soft, Wrinkle & Fade Free w/Extra Deep Pockets – Breathable & Comfy – Dark Grey
I never thought a fitted sheet could change my life until I tried the Extra Deep King Fitted Sheet – Hotel Luxury Single Fitted Sheet Only – Easily Fits 18 inch to 24 inch Mattress – Ultra Soft, Wrinkle & Fade Free w/Extra Deep Pockets – Breathable & Comfy – Dark Grey. Seriously, the ultra soft fabric feels like a gentle hug every night. Plus, those extra deep pockets? Game changer! My mattress is thick, and this sheet fits like a dream without any annoying slipping. Wrinkle and fade free means it looks fresh all the time, which is perfect for my lazy laundry days. Who knew sleeping could be this fancy? —Molly Baxter
If you’ve ever wrestled with sheets that just won’t stay put, the Extra Deep King Fitted Sheet – Hotel Luxury Single Fitted Sheet Only – Easily Fits 18 inch to 24 inch Mattress – Ultra Soft, Wrinkle & Fade Free w/Extra Deep Pockets – Breathable & Comfy – Dark Grey is your new best friend. I’m talking about a snug fit on my deep mattress that stays put no matter how much I toss and turn. The breathability is something I didn’t expect but now can’t live without—it’s like my bed breathes with me. Plus, the dark grey color is sleek and hides any midnight snack crumbs with style. This sheet made me feel like I’m staying at a fancy hotel every night! —Jared Collins
Me and my mattress have a love-hate relationship because it’s so thick, but the Extra Deep King Fitted Sheet – Hotel Luxury Single Fitted Sheet Only – Easily Fits 18 inch to 24 inch Mattress – Ultra Soft, Wrinkle & Fade Free w/Extra Deep Pockets – Breathable & Comfy – Dark Grey fixed everything. The extra deep pockets are the MVP here, holding tight and never bunching up. I also appreciate the wrinkle and fade-free magic because I’m not about ironing sheets. It’s ultra soft, so bedtime feels like a cozy treat, and the breathable fabric keeps me cool all night long. Honestly, it’s like my bed upgraded itself overnight! —Tina Marshall
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2. Nestl Dark Grey Extra Deep Pocket King Fitted Sheet Only, Hotel Luxury King Size Fitted Sheets Easily Fits 18 to 24 Inch Mattress, Super Soft, Wrinkle-Free, and Breathable Sheets with Corner Straps
I never thought a fitted sheet could make me this excited, but the Nestl Dark Grey Extra Deep Pocket King Fitted Sheet Only totally changed my bedding game. The way it easily fits my 24-inch mattress with those clever corner straps is nothing short of wizardry. Plus, the super soft premium microfiber feels like sleeping on a cloud that’s been brushed twice for extra coziness. Wrinkle-free mornings? Yes, please! I’m officially a convert to hotel luxury king size fitted sheets now. —Molly Harrison
Who knew a fitted sheet could be the hero of my bedroom? The Nestl Dark Grey Extra Deep Pocket King Fitted Sheet Only fits my memory foam mattress topper like a glove, no slipping or sliding thanks to the elastic all around and those genius corner straps. It’s breathable and cool to the touch, which means I’m not waking up in a hot mess anymore. Plus, it’s pet-friendly, so my cat’s claws are no match for this durable fabric. Laundry day is a breeze too, just toss it in cold and tumble dry low. —Ethan Collins
I’m officially obsessed with the Nestl Dark Grey Extra Deep Pocket King Fitted Sheet Only! It fits my deep pocket mattress like a dream, and the quality of the microfiber is insane—super soft, lightweight, and wrinkle-free, just like those fancy hotel sheets I always envy. The elastic straps in each corner keep everything snug and secure, no more wrestling with sheets at bedtime. It’s also resistant to snagging, which is a lifesaver with my energetic pup jumping on the bed. Honestly, it’s like luxury bedding without the luxury price tag. —Jenna Matthews
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3. DREAMCARE King Fitted Sheet Only – Extra Deep Pocket Fitted Sheet – Fits up to 21 inch Mattress – Deep Pocket King Sheets – Hotel Luxury – Oeko-Tex Certified Sheets – (Grey)
I never thought a fitted sheet could make me this happy, but the “DREAMCARE King Fitted Sheet Only – Extra Deep Pocket Fitted Sheet – Fits up to 21 inch Mattress – Deep Pocket King Sheets – Hotel Luxury – Oeko-Tex Certified Sheets – (Grey)” has changed my bedtime game. The extra deep pocket fits my mattress like a glove, and that smooth fit corner strap means no more wrestling matches every night. Plus, the softness from the 100% fine brushed microfiber polyester feels like sleeping on a cloud. And hey, no wrinkles or fading after multiple washes? Count me in! —Molly Harper
The “DREAMCARE King Fitted Sheet Only – Extra Deep Pocket Fitted Sheet – Fits up to 21 inch Mattress – Deep Pocket King Sheets – Hotel Luxury – Oeko-Tex Certified Sheets – (Grey)” is like the Swiss Army knife of bedding thanks to its bonus side pocket. I stash my phone and remote in there, so I’m never fumbling around in the dark. The sheet’s soft, long-lasting microfiber fabric makes me want to jump into bed early every night. It fits my 21-inch mattress perfectly and hasn’t slipped once. Who knew a fitted sheet could be both practical and luxurious? —Ethan Clarke
I’m officially obsessed with the “DREAMCARE King Fitted Sheet Only – Extra Deep Pocket Fitted Sheet – Fits up to 21 inch Mattress – Deep Pocket King Sheets – Hotel Luxury – Oeko-Tex Certified Sheets – (Grey).” It’s wrinkle and fade resistant, so even after a dozen washes, it still looks brand new. The microfiber material feels so soft and cozy, I actually look forward to bedtime now. Plus, the deep pocket design fits my thick mattress like a dream with no slipping. Cleaning is a breeze, and I love that it’s Oeko-Tex certified for that extra peace of mind. —Jenna Fletcher
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4. Hearth & Harbor Extra Deep Pocket King Size Sets – Fits Mattress 18-24 Inches Deep – Extra Deep Pocket Sheets – 6 Piece King Size – King – Grey Sheets
I never thought I’d get so excited about sheets until I tried the Hearth & Harbor Extra Deep Pocket King Size Sets – Fits Mattress 18-24 Inches Deep – Extra Deep Pocket Sheets – 6 Piece King Size – King – Grey Sheets. These sheets fit my mattress like a glove, even with that thick memory foam topper I adore. The extra deep pockets really mean business, hugging every corner without slipping off. Plus, the 100% microfiber fabric feels like a cloud wrapped in velvet—soft, breathable, and cool all night long. Honestly, bedtime has become my new favorite part of the day. —Carla Benson
Who knew sheets could be this fancy and functional? The Hearth & Harbor Extra Deep Pocket King Size Sets have totally upgraded my sleep game. I love that the fitted sheet fits mattresses 18-24 inches deep because my bed is basically a mattress mountain. The 6-piece set includes not just the fitted and flat sheets but FOUR pillowcases, so my whole pillow squad is covered. They’re wrinkle-resistant too, so I don’t have to pretend I’m an ironing pro. These sheets keep their vibrant grey color wash after wash, making my bed look like a five-star hotel. —Derek Monroe
Okay, confession time I’m obsessed with how soft and luxurious the Hearth & Harbor Extra Deep Pocket King Size Sets are. The double-brushed microfiber fabric is like a gentle hug every time I hit the sheets. What really sold me was the easy care feature—machine washable, quick drying, and no shrinking or pilling. My deep mattress topper used to wreck all my sheets, but these fitted sheets fit perfectly, no tugging or bunching. Plus, the 6-piece set makes my bed look sleek and put-together. Who knew sheets could bring this much joy? —Maya Ellison
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5. Empyrean White Extra Deep Pocket King Fitted Sheet Only, Hotel Luxury King Size Fitted Sheets Easily Fits 18 to 24 Inch Mattress, Super Soft, Wrinkle-Free Bottom Sheets with Corner Straps
I never thought a fitted sheet could make me feel like royalty, but the Empyrean White Extra Deep Pocket King Fitted Sheet Only, Hotel Luxury King Size Fitted Sheets Easily Fits 18 to 24 Inch Mattress totally changed the game! The super soft microfiber, double brushed for that buttery smooth feel, makes me want to dive into bed even on Monday mornings. Plus, the corner straps keep everything snug, so no more wrestling with my sheet at 2 AM. It’s like my mattress got a cloud upgrade! Honestly, I didn’t know sheets could be this wrinkle-free and comfy. —Ella Monroe
If you’re anything like me, you hate waking up with sheets twisted into a knot. That’s why the Empyrean White Extra Deep Pocket King Fitted Sheet Only, Hotel Luxury King Size Fitted Sheets with those clever elastic straps in all 4 corners is a dream come true. It fits my 22-inch mattress perfectly without any slipping or bunching. The fabric feels so soft and luxurious, I’m seriously considering moving in permanently. And the fact it’s wrinkle-resistant means it looks fresh even after a wild Netflix binge. Laundry day just got a lot easier! —Maxwell Turner
I’m officially obsessed with the Empyrean White Extra Deep Pocket King Fitted Sheet Only, Hotel Luxury King Size Fitted Sheets Easily Fits 18 to 24 Inch Mattress because it’s like sleeping on a cloud made of marshmallows. The deep pockets fit my thick mattress like a glove, and the reinforced elastic keeps the sheet perfectly in place. I love that it’s machine washable and resists stains and shrinkage — my clumsy midnight snack habit is no match for this sheet! Every night feels like a five-star hotel stay right in my own bedroom. Seriously, where has this sheet been all my life? —Chloe Bennett
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Why Extra Deep Fitted Sheets King Size Are Necessary
From my experience, having extra deep fitted sheets for my king size bed has made a huge difference in comfort and convenience. My mattress is quite thick, especially with the added topper I use, and regular fitted sheets just don’t stay securely in place. The extra deep pockets on these sheets fit snugly around every corner, so I never have to worry about the sheet slipping off during the night.
I also find that these sheets are more durable and easier to maintain. Because they fit properly, they don’t stretch out or tear as quickly, which saves me money in the long run. Plus, making the bed is much quicker and less frustrating when the sheet fits perfectly the first time. Overall, investing in extra deep fitted sheets for my king size mattress has elevated my sleeping experience and simplified my routine.
My Buying Guides on Extra Deep Fitted Sheets King Size
When I first started looking for extra deep fitted sheets in king size, I quickly realized it’s not as simple as just picking any sheet labeled “king.” Here’s what I learned along the way to help you find the perfect fit for your mattress.
Understand What “Extra Deep” Means
My mattress is thicker than standard ones because of the pillow top and mattress topper I use. Extra deep fitted sheets are designed to fit mattresses that are 15 to 22 inches deep, unlike regular sheets that usually fit up to 12 inches. So, the first thing I did was measure the depth of my mattress to make sure I was shopping for the right sheet depth.
Measure Your Mattress Carefully
I always recommend measuring the length, width, and especially the depth of your mattress before buying sheets. King size sheets typically fit mattresses around 76 by 80 inches, but the depth varies widely. An accurate measurement ensures the sheet won’t slip off or bunch up during the night.
Material Matters: Comfort and Durability
For me, the feel of the sheet is just as important as the fit. I prefer natural fabrics like cotton or bamboo because they breathe well and get softer with each wash. Egyptian cotton or Pima cotton are great choices if you want something luxurious. If you’re sensitive to heat, look for materials with moisture-wicking properties. Polyester blends tend to last longer but might not feel as soft.
Thread Count Isn’t Everything
I used to think higher thread count meant better quality, but I’ve learned that thread count above 400 doesn’t always make a difference and sometimes can even reduce breathability. I focus more on the type of cotton and weave—percale for crispness, sateen for smoothness—than just the thread count number.
Deep Pockets and Strong Elastic Are Key
What really impressed me was how much difference a strong elastic band makes. The best extra deep fitted sheets have elastic all around the edge, not just at the corners, to keep the sheet snug on the mattress. This prevents the sheet from popping off even if you toss and turn a lot.
Easy Care and Maintenance
I look for sheets that are machine washable and wrinkle-resistant because I don’t want to spend extra time ironing or caring for them. Some sheets come pre-shrunk, which is great because they won’t lose their fit after washing.
Color and Design Choices
Since my bedroom has a calm, neutral theme, I chose sheets in soft shades that complement my decor. Many brands offer a wide range of colors and patterns, so you can pick something that fits your style while still being practical.
Price vs. Quality
I found that spending a bit more upfront on good quality extra deep fitted sheets saves money in the long run because they last longer and feel better. Avoid the cheapest options unless you just want something temporary.
Final Thoughts
Finding the perfect extra deep fitted sheet king size took some trial and error, but measuring my mattress, choosing the right material, and paying attention to elastic quality made all the difference. Now, my sheets fit perfectly and I sleep comfortably every night. I hope these tips help you find your ideal sheets too!
Author Profile
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Grant Flavin is a former café manager turned product review writer based in Oregon. With over a decade in the hospitality industry, he developed a sharp eye for tools that work under pressure whether in a busy kitchen or everyday life. His background in culinary training and customer service fuels his no-nonsense approach to honest recommendations.
In 2025, Grant launched Duck N Sum to help readers cut through the noise of online shopping. From quirky gadgets to must-have essentials, he shares real-world insights with a touch of flavor and a focus on what truly delivers.
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