Best Sheets for Deep King Mattresses With Extra Deep Pockets
Finding the best sheets for deep king mattresses ensures a snug fit and comfortable sleep, especially for mattresses that are 18 inches deep or more. This guide reviews top-rated deep pocket king sheet sets designed to accommodate extra-thick mattresses, including memory foam, pillow tops, and mattress toppers. These selections offer a blend of soft fabrics, secure fit, breathability, and durability to enhance your bedroom experience.
| Product | Brand | Fabric Type | Deep Pocket Size | Set Pieces |
|---|---|---|---|---|
| Hearth & Harbor Extra Deep Pocket King Size Sets – Grey | Hearth & Harbor | 100% Microfiber | 18-24 inches | 6 Piece (Fitted, Flat, 4 Pillowcases) |
| Extra Deep King Sheet Set – Steel Blue | CGK Unlimited | Microfiber | 18-24 inches | 6 Piece (Flat, Fitted, 4 Pillowcases) |
| HYPREST Extra Deep Pocket King Sheet Sets – White | HYPREST | 100% Cotton | 18-24 inches | 4 Piece (Flat, Fitted, 2 Pillowcases) |
| DeaLuxe Deep Pocket King Bed Sheets – Medium Gray | DeaLuxe | Microfiber/Blended | 14-18 inches | 4 Piece (Flat, Fitted, 1 Pillowcase) |
| 1500 Supreme Collection Luxury Hotel Sheets – White | Sweet Home Collection | Microfiber | Up to 16 inches | 4 Piece (Flat, Fitted, 2 Pillowcases) |
Hearth & Harbor Extra Deep Pocket King Size Sheets

This 6-piece king size sheet set from Hearth & Harbor fits mattresses between 18 and 24 inches deep, making it ideal for extra thick mattresses and memory foam toppers. The set includes a fitted sheet, a flat sheet, and four pillowcases. Crafted from 100% microfiber fabric, the sheets have been double brushed for ultra-softness, breathability, and a cool feel to improve your comfort during sleep. The fitted sheet measures 78″ x 80″, while the flat sheet is 105″ x 102″. Pillowcases are sized at 20″ x 40″. These sheets combine softness with excellent staying power on very deep mattresses.
Extra Deep King Sheet Set by CGK Unlimited

Designed to fit mattresses from 18 to 24 inches deep, this 6-piece luxury set includes a fitted sheet with stretchable elastic edges that reliably secure the sheet on oversized mattresses. The set also features four pillowcases decorated with subtle embroidery and enclosure designs. Its breathable, wrinkle-free microfiber fabric adapts well to various mattress toppers including memory foam and pillow tops, ensuring the sheets won’t slip during the night. The steel blue color adds elegance to bedroom decor.
HYPREST 100% Cotton Extra Deep Pocket King Sheets

The HYPREST king sheet set is crafted from 100% cotton which is lightweight, breathable, and naturally moisture-wicking. The extra deep pocket fitted sheet fits mattresses from 18 to 24 inches deep with elastic all around for a secure fit throughout the night. Its cooling properties make it suitable for year-round use. The simple white color and wrinkle-resistant design cater to both comfort and upkeep.
DeaLuxe Deep Pocket King Bed Sheets – Medium Grey

This 4-piece sheet set from DeaLuxe offers a true 16-inch extra deep pocket fitted sheet designed for mattresses between 14 and 18 inches thick. The oversized flat sheet extends extra wide to cover high-profile mattresses fully. Included is one zipper closure pillowcase for a neat finish. The medium grey color and detailed construction, designed and tested in the USA, highlight durability and comfort for thick mattresses with pillow tops or mattress toppers.
1500 Supreme Collection Deep Pocket Sheet Set by Sweet Home Collection

The 1500 Supreme Collection king sheet set fits mattresses up to 16 inches deep and features built-in elastic corner straps that keep the fitted sheet securely in place even on adjustable beds and for restless sleepers. Made from ultra-soft, durable microfiber, these sheets offer breathability and wrinkle resistance in all seasons. This white set brings a classic hotel-quality look with lasting color vibrancy.
Buying Guide for Deep Pocket King Sheets
When selecting sheets for deep king mattresses, several important factors come into play to ensure comfort, durability, and a perfect fit.
1. Deep Pocket Measurements
Check the mattress depth and choose sheets that accommodate at least that thickness, preferably with additional fabric for mattress toppers. Most deep pocket sheets fit between 14 to 24 inches deep; verify product specifications carefully to avoid tight or loose fits.
2. Fabric Material
- Microfiber: Soft, wrinkle-resistant, affordable, and easy to care for. Ideal for those wanting low maintenance.
- Cotton: Breathable, moisture-wicking, and durable. Egyptian cotton offers luxury but often at a higher price.
- Bamboo-derived fabrics: Naturally cooling and highly breathable, these are good for those who prefer sustainable and silky textures.
3. Fit & Elasticity
Strong elastic around all edges of the fitted sheet provides a secure grip, preventing slipping. Extra deep pockets combined with full elastic edging ensure sheets stay smooth even on tall mattresses with toppers.
4. Set Components
Most sets include fitted sheets, flat sheets, and pillowcases. Some may offer additional pillowcases or features like zipper closures. Choose sets based on your pillow needs and preferred bedding aesthetics.
5. Care and Maintenance
Check whether the sheets are wrinkle-resistant, fade resistant, or require special washing. Microfiber is typically machine washable and quick drying, while cotton may require softer wash cycles.
6. Breathability and Comfort
Consider fabric breathability especially if you sleep warm. Cotton and bamboo sheets tend to regulate temperature better than synthetic options.
7. Color and Style
Select colors and patterns that complement your bedroom decor. Neutral tones often provide a timeless look, while colors like steel blue or grey add modern touches.