Split King Sheet Sets

Designed for Adjustable Comfort

Our Split King Sheets are crafted with care to accommodate two Twin XL mattresses, ensuring a secure, wrinkle-resistant fit throughout the night. Each set includes a flat sheet (108” x 102”), two fitted sheets (39” x 80” - two count), and two pillowcases (20" x 36") perfectly sized for a split king mattress.

Soft, Breathable, and Built to Last

Made from the finest long-staple organic cotton, our 100% cotton split king sheets offer natural breathability and all-season comfort. The fabric softens with every wash, creating that lived-in luxury feel without any synthetic treatments. Choose from timeless colors, including classic white split king sheet sets, for effortless elegance that fits every space.

Why Choose Boll & Branch for Your Split King Sheets & Sets

Every Boll & Branch split sheets set is sustainably sourced and crafted through a transparent supply chain, so your best night’s sleep is also a better choice for the planet.

• Perfect Fit: Designed for split king fitted sheets and adjustable bases.
• Complete Set: Includes 1 flat sheet, 2 fitted sheets, and 2 pillowcases.
• 100% Organic Cotton: Soft, breathable, and naturally durable.
• Ethically Made: Crafted through sustainable, Fair Trade practices.

Looking to complete your adjustable bed setup? Pair our Split King Sheets with our Twin XL bed size collection for the absolute best in bedding.