Helix Eastern King Mattresses
Financing Options
Convenient Mattress Financing
Get Special Financing on purchases with approved credit with a Mancini's Sleepworld credit card. View plans and apply for financing.
*The Mancini's Sleepworld credit card is issued with approved credit by Wells Fargo Bank, N.A.
5 Results
5
Compare
-
Medium Euro-Top
-
On Sale
- SleepMatch: blue
- Delivery by May 07
-
Medium Euro-Top
-
On Sale
- SleepMatch: blue
- Delivery by May 07
-
Firm Euro-Top
-
On Sale
- SleepMatch: blue
- Delivery by May 07
-
Firm Euro-Top
-
On Sale
- SleepMatch: blue
- Delivery by May 07
-
Medium Euro-Top
-
On Sale
- SleepMatch: blue
- Delivery by May 07
Helix King Mattresses
At Mancini's Sleepworld, we know that a King mattress is the gold standard for couples and anyone who values a spacious sleep surface. Helix's King mattresses bring the brand's precision-engineered hybrid design to the widest standard mattress format, measuring 76 inches wide by 80 inches long.
Helix King mattresses are built with the same individually wrapped steel coil systems, premium memory foam layers, and GlacioTex™ Cooling Cover technology found across the entire lineup. The King format provides the most generous width for couples who want personal space without compromise, families who share the bed with children or pets, or any sleeper who simply prefers room to move.
Every Helix mattress is designed and hand-assembled at the brand's own Arizona factory, giving you the confidence that comes with American-made quality and careful construction. The result is a King mattress that delivers targeted comfort based on your sleep position, effective temperature regulation, and durable hybrid support.
Explore our selection of Helix King mattresses at Mancini's Sleepworld. Our mattress matchmakers are ready to help you find the right collection and comfort profile, or you can take the SleepMatch quiz online for personalized guidance.
Frequently Asked Questions
"What makes Helix mattresses worth it?" you ask? Helix designs hybrid mattresses tailored to specific sleep positions, and the King format brings that engineered comfort to the widest standard mattress size. For couples who want ample personal space, families who share their bed, or any sleeper who values room to stretch out, a King Helix delivers expansive proportions alongside precision hybrid construction.
Every Helix mattress features individually wrapped steel coils paired with high-density memory foam for responsive support. GlacioTex™ Cooling Cover technology is standard across all models, and the Elite Collection adds phase change GlacioTex™ Elite technology, microcoil comfort layers, and ErgoAlign™ Zoned Responsive Foam. The King format maximizes these technologies across the widest standard surface area available.
For customers in the San Francisco Bay and Sacramento area seeking a King hybrid mattress with personalized comfort, Helix delivers purposeful engineering in a generous format.
Every Helix mattress features individually wrapped steel coils paired with high-density memory foam for responsive support. GlacioTex™ Cooling Cover technology is standard across all models, and the Elite Collection adds phase change GlacioTex™ Elite technology, microcoil comfort layers, and ErgoAlign™ Zoned Responsive Foam. The King format maximizes these technologies across the widest standard surface area available.
For customers in the San Francisco Bay and Sacramento area seeking a King hybrid mattress with personalized comfort, Helix delivers purposeful engineering in a generous format.
Choosing the best King Helix mattress is easier with SleepMatch, Mancini's Sleepworld's diagnostic system designed to take the guesswork out of mattress shopping.
Our advanced diagnostic system analyzes your body type and pressure points to recommend mattresses that will provide the right level of support for you. For King shoppers, SleepMatch is especially valuable because the wider sleeping surface accommodates two sleepers with potentially different comfort needs. Our mattress matchmakers can help couples find the Helix model that best satisfies both sleepers.
You can complete SleepMatch in-store or take the SleepMatch quiz online.
Our advanced diagnostic system analyzes your body type and pressure points to recommend mattresses that will provide the right level of support for you. For King shoppers, SleepMatch is especially valuable because the wider sleeping surface accommodates two sleepers with potentially different comfort needs. Our mattress matchmakers can help couples find the Helix model that best satisfies both sleepers.
You can complete SleepMatch in-store or take the SleepMatch quiz online.
A King Helix mattress typically lasts between 7 and 10 years, with Elite Collection models potentially lasting longer due to their ultra-high-density memory foams, microcoil comfort layers, and reinforced zoned coil systems.
King mattresses serve a larger sleeping area and often support two sleepers nightly, making durable construction and strong edge support particularly important. Helix's hybrid design pairs individually wrapped steel coils with high-density foam layers to resist sagging. The Luxe and Elite collections add full perimeter edge reinforcement and zoned lumbar support, maintaining consistent performance across the King's expansive surface. Experts generally recommend evaluating your mattress every 7 to 10 years.
For customers across the San Francisco Bay and Sacramento area, Sacramento, and surrounding areas seeking a King mattress engineered for lasting comfort, Helix combines durable materials with purpose-built hybrid construction.
King mattresses serve a larger sleeping area and often support two sleepers nightly, making durable construction and strong edge support particularly important. Helix's hybrid design pairs individually wrapped steel coils with high-density foam layers to resist sagging. The Luxe and Elite collections add full perimeter edge reinforcement and zoned lumbar support, maintaining consistent performance across the King's expansive surface. Experts generally recommend evaluating your mattress every 7 to 10 years.
For customers across the San Francisco Bay and Sacramento area, Sacramento, and surrounding areas seeking a King mattress engineered for lasting comfort, Helix combines durable materials with purpose-built hybrid construction.
Helix offers three collections at Mancini's Sleepworld, each available in both Midnight (medium) and Twilight (firm) comfort profiles.
The Helix Core Midnight is a 12.5-inch hybrid with three layers of high-density foam, hundreds of individually wrapped steel coils, side edge support, and the GlacioTex™ Cooling Cover. The Helix Luxe Midnight and Helix Luxe Twilight build on that foundation at 13.5 inches with a plush pillow top, zoned lumbar support, and full perimeter edge reinforcement. The Helix Elite Midnight and Helix Elite Twilight represent the brand's pinnacle at 15 inches, with five foam layers, a microcoil comfort layer, ErgoAlign™ Zoned Responsive Foam, a 2-inch pillow top, and phase change GlacioTex™ Elite cooling. King Elite models feature over 3,000 individually wrapped coils for exceptional support.
All five models are available in the King size. Customers in the Bay Area and Sacramento can shop Helix King mattresses online or visit a Mancini's Sleepworld showroom to compare them in person.
The Helix Core Midnight is a 12.5-inch hybrid with three layers of high-density foam, hundreds of individually wrapped steel coils, side edge support, and the GlacioTex™ Cooling Cover. The Helix Luxe Midnight and Helix Luxe Twilight build on that foundation at 13.5 inches with a plush pillow top, zoned lumbar support, and full perimeter edge reinforcement. The Helix Elite Midnight and Helix Elite Twilight represent the brand's pinnacle at 15 inches, with five foam layers, a microcoil comfort layer, ErgoAlign™ Zoned Responsive Foam, a 2-inch pillow top, and phase change GlacioTex™ Elite cooling. King Elite models feature over 3,000 individually wrapped coils for exceptional support.
All five models are available in the King size. Customers in the Bay Area and Sacramento can shop Helix King mattresses online or visit a Mancini's Sleepworld showroom to compare them in person.
Helix mattresses are backed by a limited lifetime manufacturer's warranty, providing full coverage against defects in materials and workmanship for the first 10 years, with prorated coverage thereafter.
When you purchase your Helix mattress from Mancini's Sleepworld, your purchase is also supported by the Rest Easy Promise, which includes:
When you purchase your Helix mattress from Mancini's Sleepworld, your purchase is also supported by the Rest Easy Promise, which includes:
- Best Price Guarantee (we guarantee the lowest prices)
- 365 Night Comfort Guarantee when you purchase a premium mattress protector (your standard 120-night guarantee is upgraded)
- Double Your Warranty on select mattresses with use of a premium mattress protector (Mancini's Sleepworld will double the manufacturer's warranty up to 20 years)
- Free Next-Day Delivery (includes old mattress removal and professional setup)
You can purchase a King Helix mattress near you at Mancini's Sleepworld, with over 50+ locations across the San Francisco Bay and Sacramento area.
All five Helix models are available in the King size, including both Midnight and Twilight comfort profiles. Many customers prefer to visit a showroom to test firmness options and experience the GlacioTex™ cooling technology in person. Mancini's Sleepworld provides expert guidance and fast, local delivery throughout the areas we serve.
To find a store, find a Mancini's Sleepworld near you in the San Francisco Bay and Sacramento area.
All five Helix models are available in the King size, including both Midnight and Twilight comfort profiles. Many customers prefer to visit a showroom to test firmness options and experience the GlacioTex™ cooling technology in person. Mancini's Sleepworld provides expert guidance and fast, local delivery throughout the areas we serve.
To find a store, find a Mancini's Sleepworld near you in the San Francisco Bay and Sacramento area.
Absolutely. Visiting a Mancini's Sleepworld showroom lets you experience Helix's hybrid mattresses firsthand, comparing the medium feel of Midnight models against the firmer support of Twilight models.
For King shoppers, in-store testing is especially helpful because it allows couples to evaluate the mattress together, testing motion isolation, edge support, and the overall feel across the wider sleeping surface. Our mattress matchmakers are available to guide you through the collection and help identify the right match for your needs.
Ready to try before you buy? find a Mancini's Sleepworld near you in the San Francisco Bay and Sacramento area.
For King shoppers, in-store testing is especially helpful because it allows couples to evaluate the mattress together, testing motion isolation, edge support, and the overall feel across the wider sleeping surface. Our mattress matchmakers are available to guide you through the collection and help identify the right match for your needs.
Ready to try before you buy? find a Mancini's Sleepworld near you in the San Francisco Bay and Sacramento area.
Mancini's Sleepworld has been helping people sleep better since 1969, and our mission has always been the same: guide you toward your best night's sleep.
When you shop Helix at Mancini's Sleepworld, you receive expert mattress matching support, access to the full Helix collection, and the confidence of the Rest Easy Promise, including price protection, extended comfort guarantees, warranty enhancements, and Free Next-Day Delivery with old mattress removal.
For customers in the San Francisco Bay and Sacramento area, Mancini's Sleepworld offers a local, trusted experience backed by over 50 years of sleep expertise.
When you shop Helix at Mancini's Sleepworld, you receive expert mattress matching support, access to the full Helix collection, and the confidence of the Rest Easy Promise, including price protection, extended comfort guarantees, warranty enhancements, and Free Next-Day Delivery with old mattress removal.
For customers in the San Francisco Bay and Sacramento area, Mancini's Sleepworld offers a local, trusted experience backed by over 50 years of sleep expertise.