Adjustable Bed Sheets
Cooling Sheets for Deep Mattresses: Top Picks
7 picks compared
6 min read
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The short answerFor mattresses over 14 inches, the Sleep Number True Temp Sheets fit deep pockets and cool actively. The Brooklyn Bedding Deep Pocket Sheets offer a budget-friendly fit. The PeachSkin Sheets are a top choice for softness and cooling.
?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.
Sleep Number True Temp Sheets
★★★★★ 4.7 / 5 Best overall
These sheets use Outlast technology to absorb and release heat. The fitted sheet has a 16-inch pocket depth, ideal for thick mattresses. Owners report a cool, comfortable sleep without overheating.
Material Cotton blend with OutlastPocket Depth 16 inchesCooling Tech Outlast temperature regulationAvailable Sizes Twin to California King
- Deep pockets fit 16-inch mattresses
- Active cooling technology
- Soft, breathable cotton blend
- Premium price point
- May wrinkle after washing
Brooklyn Bedding Deep Pocket Sheets
★★★★★ 4.5 / 5 Best value
These sheets offer a 16-inch pocket depth at a budget-friendly price. The brushed microfiber is soft and breathable. Owners appreciate the secure fit on thick mattresses.
Material MicrofiberPocket Depth 16 inchesCooling Tech Breathable weaveAvailable Sizes Twin to California King
- Deep pockets fit thick mattresses
- Affordable price
- Soft and durable microfiber
- May not be as cool as natural fibers
- Limited color options
PeachSkin Sheets
★★★★★ 4.6 / 5 Best for softness
These sheets are known for their ultra-soft, peach-like texture. The fitted sheet has a 15-inch pocket depth, which fits most deep mattresses. They are moisture-wicking and breathable.
Material MicrofiberPocket Depth 15 inchesCooling Tech Moisture-wickingAvailable Sizes Twin to California King
- Exceptionally soft texture
- Moisture-wicking fabric
- Good deep pocket depth
- Pocket depth may not fit 16-inch mattresses
- Can pill over time
Best for: Best for softness
Slumber Cloud Core Sheets
★★★★★ 4.7 / 5 Best for hot sleepers
These sheets use Outlast technology, originally developed for NASA. The fitted sheet has a 15-inch pocket depth, suitable for most deep mattresses. They are highly breathable and regulate temperature well.
Material Cotton and OutlastPocket Depth 15 inchesCooling Tech Outlast temperature regulationAvailable Sizes Twin to California King
- Proven cooling technology
- Soft and breathable cotton
- Good for hot sleepers
- Pocket depth may be tight for 16-inch mattresses
- Higher price
Best for: Best for hot sleepers
Eucalyptus Sheets by Sleep & Beyond
★★★★★ 4.5 / 5 Best eco-friendly
These sheets are made from Tencel eucalyptus fibers, which are sustainable and breathable. The fitted sheet has a 16-inch pocket depth, fitting thick mattresses. They are naturally temperature-regulating and soft.
Material Tencel eucalyptusPocket Depth 16 inchesCooling Tech Natural breathabilityAvailable Sizes Twin to California King
- Eco-friendly material
- Deep pockets fit 16-inch mattresses
- Naturally cooling
- Can be pricey
- May wrinkle easily
Best for: Best eco-friendly
Mellanni Deep Pocket Sheets
★★★★★ 4.4 / 5 Best budget
These sheets offer a 16-inch pocket depth at an economical price. The microfiber fabric is soft and wrinkle-resistant. Owners report a good fit on deep mattresses.
Material MicrofiberPocket Depth 16 inchesCooling Tech Breathable weaveAvailable Sizes Twin to California King
- Very affordable
- Deep pockets fit thick mattresses
- Wrinkle-resistant
- May not be as breathable as cotton
- Limited color choices
Linen Sheets by Linoto
★★★★★ 4.5 / 5 Best for breathability
These 100% linen sheets are highly breathable and moisture-wicking. The fitted sheet has a 15-inch pocket depth, which may fit some deep mattresses. Linen becomes softer with each wash.
Material 100% linenPocket Depth 15 inchesCooling Tech Natural breathabilityAvailable Sizes Twin to California King
- Excellent breathability
- Natural moisture-wicking
- Durable and gets softer
- Pocket depth may not fit 16-inch mattresses
- Expensive
Best for: Best for breathability
We compared specifications on pocket depth, fabric breathability, and cooling tech. Owner feedback on fit and comfort guided our picks.
Pocket depth matters
Measure your mattress thickness before buying sheets. Standard deep pockets are 15 inches, but mattresses over 14 inches may need 16 inches or more. Check the product specifications for exact pocket depth. A snug fit prevents sheets from popping off.
Cooling technologies
Cooling sheets use various technologies. Outlast absorbs and releases heat to regulate temperature. Moisture-wicking fabrics pull sweat away from your body. Natural fibers like linen and eucalyptus are breathable and cool.
Fabric choices
Cotton is breathable and soft, but can wrinkle. Linen is highly breathable but feels textured. Microfiber is affordable and soft, but may trap heat. Tencel eucalyptus is eco-friendly and cooling.
Fit and durability
Deep pocket sheets should have elastic all around. This ensures they stay in place on thick mattresses. Check the elastic quality and stitching.
Questions people ask
What is the best cooling sheet for a 16-inch mattress?
The Sleep Number True Temp Sheets and Brooklyn Bedding Deep Pocket Sheets both have 16-inch pockets. They are top choices for deep mattresses.
How deep should pockets be for a 14-inch mattress?
A 15-inch pocket depth should fit a 14-inch mattress. For mattresses over 14 inches, consider 16-inch pockets for a secure fit.
Are microfiber sheets cool?
Microfiber can be less breathable than natural fibers. Some microfiber sheets have cooling weaves, but cotton or linen may be cooler.
What is Outlast technology?
Outlast is a phase-change material that absorbs and releases heat. It helps regulate body temperature throughout the night.
Can I use deep pocket sheets on a regular mattress?
Yes, deep pocket sheets fit regular mattresses, but they may be loose. Extra fabric can bunch up. It's better to match the pocket depth to your mattress.
Do cooling sheets really work?
Cooling sheets can help if they use breathable fabrics or active cooling. They may not work for everyone, but many owners report a cooler sleep.
Which is better: cotton or linen for cooling?
Linen is more breathable and moisture-wicking than cotton. However, cotton is softer and less textured. Both are natural and cooler than synthetics.
How often should I replace my sheets?
Replace sheets every 2 to 3 years, depending on wear. Look for thinning, pilling, or loss of elasticity. Quality sheets may last longer.
Are bamboo sheets good for deep mattresses?
Bamboo sheets are breathable and cool. Check the pocket depth, as not all bamboo sheets have deep pockets. Some brands offer deep versions.
What is the best cooling sheet for hot sleepers?
For hot sleepers, choose sheets with Outlast technology or natural fibers like linen. The Slumber Cloud Core Sheets are a strong option.
The bottom lineSo which one?
For mattresses over 14 inches, prioritize pocket depth and cooling technology. The Sleep Number True Temp Sheets offer the best overall fit and cooling. For a budget pick, the Brooklyn Bedding Deep Pocket Sheets are a reliable choice.