Deep Pocket and Fitted Sheets
Deep Pocket Sheets for 20 Inch Mattress: Top Picks
7 picks compared
6 min read
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The short answerFor a 20-inch mattress, the best deep pocket sheets are the Mellanni Extra Deep Pocket Sheet Set, the CGK Unlimited Deep Pocket Sheets, and the Bedsure Deep Pocket Sheets. Each offers a pocket depth of at least 18 inches, with the Mellanni fitting up to 24 inches.
?How we pickedWe compare published specifications, safety certifications and thousands of verified owner reviews, and we do not physically test every unit. Read the full process in our review methodology.
Mellanni Extra Deep Pocket Sheet Set
★★★★★ 4.7 / 5 Best overall
This set fits mattresses up to 24 inches deep, making it ideal for a 20-inch mattress. It uses brushed microfiber that is soft and wrinkle-resistant. The elastic is all around the fitted sheet, so it stays secure.
Pocket depth Up to 24 inchesFabric Brushed microfiberSize options Twin to California KingIncludes 1 fitted sheet, 1 flat sheet, 2 pillowcases
- Fits very deep mattresses
- Soft and breathable
- All-around elastic
- May be too deep for standard mattresses
- Microfiber can pill over time
CGK Unlimited Deep Pocket Sheets
★★★★★ 4.6 / 5 Best value
CGK Unlimited offers a pocket depth of 18 inches, which fits a 20-inch mattress with a little extra. The microfiber fabric is cool and soft, and the sheets are budget-friendly. Owners report they stay put after washing.
Pocket depth 18 inchesFabric MicrofiberSize options Twin to California KingIncludes 1 fitted sheet, 1 flat sheet, 2 pillowcases
- Great price
- Cooling feel
- Strong elastic
- Pocket depth may be tight for very thick toppers
- Not as thick as some premium sheets
Bedsure Deep Pocket Sheets
★★★★★ 4.5 / 5 Best budget
Bedsure offers a pocket depth of 18 inches at a low price point. The polyester microfiber is durable and easy to care for. It is a solid choice for guest rooms or kids' beds.
Pocket depth 18 inchesFabric Polyester microfiberSize options Twin to KingIncludes 1 fitted sheet, 1 flat sheet, 2 pillowcases
- Very affordable
- Soft and comfortable
- Wrinkle-resistant
- May not fit mattresses over 20 inches
- Limited color options
Utopia Bedding Deep Pocket Sheets
★★★★★ 4.4 / 5 Best for thick mattress toppers
Utopia Bedding's fitted sheet has a pocket depth of 18 inches, but the elastic is strong enough to hold over a topper. The microfiber is breathable and soft. It is a popular choice for adjustable beds.
Pocket depth 18 inchesFabric MicrofiberSize options Twin to KingIncludes 1 fitted sheet, 1 flat sheet, 2 pillowcases
- Holds toppers well
- Breathable fabric
- Good elastic
- Pocket depth is not as deep as some
- Some users report shrinkage
Best for: Best for thick mattress toppers
Southshore Fine Bedding Deep Pocket Sheets
★★★★★ 4.5 / 5 Best for hot sleepers
Southshore Fine Bedding uses a special cooling microfiber that wicks moisture. The fitted sheet has a pocket depth of 18 inches. It is designed to keep you cool throughout the night.
Pocket depth 18 inchesFabric Cooling microfiberSize options Twin to California KingIncludes 1 fitted sheet, 1 flat sheet, 2 pillowcases
- Cooling technology
- Moisture-wicking
- Soft feel
- May be too thin for some
- Pocket depth is 18 inches, not deeper
Best for: Best for hot sleepers
LuxClub Deep Pocket Sheets
★★★★★ 4.6 / 5 Best for luxury feel
LuxClub offers a brushed microfiber with a silky, high-end feel. The pocket depth is 18 inches, which fits a 20-inch mattress snugly. It comes in many colors and is wrinkle-resistant.
Pocket depth 18 inchesFabric Brushed microfiberSize options Twin to California KingIncludes 1 fitted sheet, 1 flat sheet, 2 pillowcases
- Luxurious feel
- Many color choices
- Durable stitching
- Pricier than other microfiber sets
- Pocket depth may be tight for 20-inch mattresses with toppers
Best for: Best for luxury feel
Comfort Spaces Deep Pocket Sheets
★★★★★ 4.3 / 5 Best for kids' bunk beds
Comfort Spaces makes a deep pocket sheet set with a 16-inch pocket, but the elastic is extra strong. It is designed to stay on active sleepers. It is a good choice for bunk beds or crib mattresses.
Pocket depth 16 inchesFabric MicrofiberSize options Twin to FullIncludes 1 fitted sheet, 1 flat sheet, 1 pillowcase
- Strong elastic holds well
- Good for kids
- Affordable
- Pocket depth is only 16 inches, may not fit 20-inch mattresses
- Limited sizes
Best for: Best for kids' bunk beds
We compared over 30 deep pocket sheet sets based on pocket depth, fabric weight, elastic quality, and owner reviews. We prioritized sheets with strong elastic and deep pockets that stay put. We also considered breathability and durability for different sleepers.
How to Measure Your Mattress Depth
Measure from the top of the mattress to the bottom edge. Include any mattress topper or pad. Use a tape measure and record the height in inches. That number is your required pocket depth. Add two to three inches for a secure fit.
Key Features to Look For
Look for a fitted sheet with a pocket depth at least two inches more than your mattress height. Check the elastic: it should be all around the sheet, not just at the corners. Strong elastic prevents the sheet from popping off. Fabric weight matters too; heavier microfiber is more durable.
Fabric Choices: Microfiber vs. Cotton
Microfiber is common in deep pocket sheets because it is stretchy and affordable. Cotton is breathable but may not stretch as much. If you want cotton, look for a deep pocket cotton sheet with a high thread count. Some blends offer both stretch and breathability.
Fit and Security
A fitted sheet that is too loose will bunch up. A sheet that is too tight may tear. Look for deep pockets and strong elastic. Some sheets have extra straps or corner bands for a secure fit. Read owner reviews to see if the sheet stays put.
Questions people ask
What is the pocket depth for a 20-inch mattress?
You need a fitted sheet with a pocket depth of at least 18 inches. Many deep pocket sheets go up to 22 or 24 inches, which gives a comfortable fit.
Can I use regular sheets on a 20-inch mattress?
No, regular sheets have a pocket depth of 14 to 16 inches, so they will not fit. They will likely pop off or tear.
How do I measure my mattress depth?
Use a tape measure from the top of the mattress to the bottom edge. Include any topper or pad. That is your mattress depth.
Are deep pocket sheets the same as extra deep pocket sheets?
Deep pocket sheets typically fit 14 to 18 inches. Extra deep pocket sheets fit 18 to 24 inches. For a 20-inch mattress, you need extra deep.
What is the best fabric for deep pocket sheets?
Microfiber is popular because it stretches and is soft. Cotton is breathable but may not stretch as much. A cotton blend can offer both.
Do deep pocket sheets fit adjustable beds?
Yes, many deep pocket sheets are designed for adjustable beds. Look for a secure fit and strong elastic to prevent slipping.
How often should I replace deep pocket sheets?
Replace them when they show signs of wear, like thinning or pilling. High-quality microfiber can last for years with proper care.
Can I use deep pocket sheets on a standard mattress?
Yes, they will fit, but they may be loose. The extra fabric can bunch up. You can tuck it under the mattress.
What is the difference between fitted and flat sheets?
A fitted sheet has elastic corners and is meant to cover the mattress. A flat sheet is a rectangular sheet used as a top layer.
Are deep pocket sheets worth it?
For a 20-inch mattress, yes. They prevent the frustration of sheets that pop off. They are worth the extra cost for a good night's sleep.
The bottom lineSo which one?
For a 20-inch mattress, prioritize pocket depth and elastic quality. The Mellanni Extra Deep Pocket Sheet Set offers the deepest fit, while the CGK Unlimited provides great value. Choose based on your budget and fabric preference.
