King Size Sheet Sets

Shop king size sheet sets at Mattress Firm to find bedding that complements your bedroom and fits your sleep setup. Explore a range of styles, colors and materials to refresh your space and create a bed you’ll look forward to each night.

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Tempur-Pedic TEMPUR-Pro-Performance Sheet Set

465

Starting at

$74⁷⁵

$299⁰⁰

$224 OFF

Sleepy's Signature Silky Smooth Sheet Set

1136

Starting at

$129⁹⁹

Allergies
Temperature

Save $100 when you bundle¹⁰.

Tempur-Pedic TEMPUR-ProAir Sheet Set

1517

Starting at

$269⁰⁰

Temperature
Allergies

Rest Evercool Sheet Set

308

Starting at

$244⁰⁰

$279⁰⁰

$35 OFF

Temperature
Allergies

Sleepy's Basics Microfiber Sheet Set

269

Starting at

$69⁹⁹

Allergies

Save $50 when you bundle¹⁰.

Cozy Earth Bamboo Sheet Set

Starting at

$328⁰⁰

Temperature

King size sheet sets make it easy to create a comfortable, coordinated sleep space with bedding designed to fit a king mattress. Most king sheet sets include a fitted sheet, a flat sheet and two pillowcases, though the exact pieces can vary by brand and collection. A standard king sheet set typically fits a 76-by-80-inch mattress, while California King sheet sets are made for a longer, narrower 72-by-84-inch mattress. Check your mattress dimensions before shopping, especially if you have a pillow top, mattress topper or adjustable base. Deep pocket king sheets can provide a more secure fit on taller mattresses, helping prevent slipping, bunching and exposed corners throughout the night. The best king size sheets come in a range of fabrics, colors and finishes to match your comfort preferences and bedroom style. Cotton king sheets are breathable, soft and easy to care for, while microfiber sheets offer a smooth feel and durable everyday performance. For a lightweight, airy option, consider percale sheets, or choose sateen sheets for a silky feel and subtle sheen. Look for features such as elastic all the way around the fitted sheet, reinforced seams and a generous pocket depth for a dependable fit. Whether you prefer crisp white king sheets, cooling bedding or cozy sheets for year-round comfort, the right king size sheet set can help complete your bed and make it easier to get better zzz's.

What is included in a king size sheet set? + -

A king size sheet set typically includes a fitted sheet, a flat sheet and matching pillowcases. Check the package details to confirm the exact pieces included.

What materials are available for king size sheet sets? + -

King size sheet sets are available in materials such as cotton, microfiber, bamboo-derived rayon and linen. Each material offers a different texture, breathability and care routine.

How should you choose the right fabric for a king size sheet set? + -

Choose based on the feel and care preferences you enjoy. Cotton offers a familiar, versatile feel, microfiber is smooth and easy to care for, bamboo-derived rayon has a silky texture and linen has a relaxed, airy character.

How do you care for a king size sheet set? + -

Follow the care label for washing and drying instructions. In general, wash sheets with like colors, avoid overloading the washer and fold them neatly once they are fully dry.

How can you coordinate a king size sheet set with bedroom bedding? + -

Coordinate your sheet set with your comforter, duvet cover or quilt by choosing complementary colors, patterns or textures. Solid sheets create a simple foundation, while patterned sheets can add visual interest to the room.