Overall Mattress Height — Firm/Plush: 11.5”, Pillow Top: 12.25”

Made in the USA
Made in
the USA
10-Year Non-prorated Warranty
Non-prorated Warranty


  • Alternating offset coils provide increased support, reduced roll off and promotes better comfort, support and alignment than traditional coils.
  • A layer of premium foam engineered in the lumbar region to provide added support and comfort
  • Comfort and support foams are crushed to minimize the initial softening and lock in the comfort, to feel like new longer.

  • Coils systems are encased in foam to provide more sleeping surface and improve the edge support.
  • Specifically designed to articulate on adjustable beds to customize your sleep experience.


Key layers of the Alto Mattress.

Quilt Layer
Premium Tencel® Cover
Comfort and Support Layers
¾"Comfort Foam
Gel Infused Memory foam added to the lumbar region
Support Core
1” HD Fiber Pad
6” Foam encased open coil spring unit provides long lasting support
2¼” HD Fiber Pad


Key features of the Alto Mattress.

Alternating Coils
Lumbar Support
Foam Encasement
Adjustable Friendly


The Alto is available in these comfort levels.

Pillow Top

“Thank you so much for delivering the perfect bedding at the perfect price point.”

– Iris, happy Southerland Customer