The World's Best Fitted Sheet for Flex-Top Adjustable King Beds Is Finally Here

Change with a zip. Won't pop off. Upscale quality.

Everything you love about QuickZip sheets, now for Flex-Top (Split Head) Adjustable Beds.

More Reasons You’ll Love QuickZip Flex Top King Fitted Sheets

  • Specially Engineered for Flex Top Adjustable Beds

    The perfect match for your split head adjustable mattress.

  • Super Soft and Luxurious Premium 100% Cotton

    Available in crisp and cool percale, soft and rich sateen

  • Corners That Stay Put and Don’t Pop Off

    Super stretch elastic corners flex to fit on thin or the thickest mattresses. Continuous, wide elastic and generous overlap underneath keeps the sheet snug for the perfect fit that won’t pop off, even on adjustable beds!

  • Easy to Wash and Fold

    The zip sheet is a rectangle that quickly zips off for easy washing while the base stays on the bed; and, your extra zip sheets store neat and tidy.

  • 100% Happiness Guarantee

    Try RISK FREE! We offer a 60-day, no-risk, no-questions-asked Happiness Guarantee. Try out your new bedding! Sleep on it, change it, wash it, fold it, lounge in it; and, if you aren’t 100% happy with your purchase, return for a full refund, we’ll even pay return shipping! (US orders only)

Save 15%

Mothers Day Sale Details
Shop Now

QuickZip Fitted Sheets for Flex-Top King Adjustable Beds

(Base + Zip Sheet)

The best sheets ever made for flex top adjustable beds! Zips on and off for easy & fast changes. Premium cotton for a luxurious night's rest.
Designed for a custom fit on all brands of split-head/flex head/flex top adjustable King mattresses. 
Our locking corner pocket stays tight - at any angle. Raise the foot, raise the head, do the pillow tilt...no problem. QuickZip corners are engineered to keep on keepin' on thanks to vertical elastic stretches up and pulls down to stay snug. 
We reinvented the fitted sheet with a two-piece design that is quick to change, easy to fold, and won't pop off. Each Fitted Sheet includes a base and a zip sheet. Extra 'add-on' zip sheets are sold separately in a variety of colors & fabrics. ▶ How it works

Read more
  • Strong vertical elastic in all four corners for best fit
  • Stays put with continuous 1.5" elastic around underside opening
  • 100% long staple cotton
  • Eco-friendly, OEKO-TEX certified
  • World-Class YKK Zippers
  • Double layered, cotton zipper cover
  • Get it right the first time with quick match orientation labels
  • Exterior size labels
1.Bed Size
Size chart
76x80 inches (193x203 cm) with 34 inch (86cm) top center split; thickness 6.5-15 inches (16.5-38 cm)
2. Fabric: Fabric info
Sateen: Smooth, Buttery Soft, & Luxurious
Percale: Light, Breezy, & Crisp

We ship orders with care each business day from our headquarters in Denver, Colorado. Our team is here for you. Feel free to contact us if you have any questions about shipping services.

US Shipments
We offer free standard (2-5 day) shipping on all US orders over $149. No promotion code required. US orders under $149 are eligible for flat-rate shipping for $12.00. Shipping is generally via USPS, FedEx or UPS, though other services may be substituted at our discretion.

Expedited US shipping options are available. Expedited orders must be placed before 10 am on business days to ship same day.

Processing times: We ship orders within 24-72 hours Mon-Fri; high volumes during holidays, etc may extend processing time.

Orders Outside of the US
International shipping is available, and orders ship within 72 business hours. We ship with DHL, and rates are shown in the order/checkout process. Certain products, including mattress pads, blankets, and comforters, cannot be shipped internationally, as noted in the product listing.

International Duties & Taxes
If applicable in your locale, our system will calculate and collect any applicable import duties & taxes when you checkout. This allows your QuickZip order to arrive quickly with no additional payment due to your authority.

We stand behind each of our products and only manufacture with the highest quality components. Our YKK zippers are guaranteed for the life of your bedding.

If you have any concerns with the quality of your QuickZip or believe you have a defective product, please submit a warranty claim. All requests will be reviewed on an individual, case-by-case basis. Please allow 7 business days to process your request.

Normal wear and tear and stains/fabric issues from normal use are excluded from any warranty. “Normal wear and tear” includes expected changes in the fabric from, but not limited to, abrasion or damage (such as from feet, pets or bed frames), repeated washing, folding or storage. Please exercise caution when using hair gel, cosmetics, lotions, cosmetics containing benzoyl peroxide and alpha hydroxy acids, moisturizers, personal lubricants, etc. Our sheets are 100% cotton, made of natural fibers containing no synthetic material and without coatings or additives. Wrinkling of fabrics is common and unavoidable for most 100% cotton materials. Our warranty is limited to the value of products purchased.

Please see the Care Instructions for laundry details and recommendations to maximize the life of your bedding.

We offer a 60-day, no-risk, no-questions-asked Happiness Guarantee. Try out your new bedding! Sleep on it, change it, wash it, fold it, lounge in it; and, if you aren’t 100% happy with your purchase, return it within 60 days for a full refund. After 60 days, your purchase is protected by QuickZip's Manufacturer’s Warranty

Return shipping is free for US orders. We cannot refund any original order shipping or gift wrap fees, and original discounts are not applicable on future orders/exchanges.

Customers outside the US are responsible for return shipping costs.

 

QuickZip bedding is available in three premium, long-staple, OEKO-Tex Certified to protect you from harmful substances, 100% cotton fabrics:

  • Sateen - Luxuriously smooth and soft. 400 threadcount
  • Percale - Traditional crisp and cool. 400 threadcount
  • Classic Flannel - Cozy, soft, and warm. 6oz / sq yard
  • Twilluxe Flannel NEW! Soft, cloud-like flannel with a rich weave for ultimate coziness.

BUY WITH CONFIDENCE FROM QUICKZIP

  • Amazing Customer Service
  • Free shipping on US orders over $149
  • Free Returns in the US for 60 Days
  • 60 Day Moneyback Guarantee
  • Premium Quality
  • Secure Ordering
Back Soon

This item is popular!


At the moment, we are temporarily out of product/size/fabric/color ... but more are on the way!

Get Notified When It's Back!

Give us your email address and we'll let you know as soon as we get more!




Build your sheet sets with our bundles

Life's too short to waste your energy. Don't spend one more uncomfortable minute wrangling your sheets.

Build Now

We don't sacrifice quality for convenience

QuickZip is where high-quality meets smart design. We've considered it all so you can sleep easy

Shop Popular Quick fBundles

We made a smart duvet cover

Zips on two sides and holds fast with hidden clcips and slots to keep your duvet in place and keep you blissfully asleep

Shop Now

100% Happiness Guarantee

We offer a 60-day, no-risk, no-questions-asked Happiness Guarantee. Try out your new bedding! Sleep on it, change it, wash it, fold it, lounge in it; and, if you aren’t 100% happy with your purchase, return for a full refund.

Mothers Day Sale

Offer applies automatically in cart when cart meets or exceeds qualifying criteria. Cannot be combined with other offers.
Ends Wednesday, May 7, 2025 at 12:00 AM MDT