Is the Lux Firm the same as medium-firm?

Yes. Saatva lists the Lux Firm as its medium-firm feel, between Plush Soft and Firm.

Does it work on an adjustable base?

Yes, but only with an 11.5-inch height mattress. The foundation is not included.

The mattress only. Foundation, frame and headboard are sold separately.

How much does the Twin XL weigh?

A Full in 11.5-inch Firm is listed at 72 lbs; the Twin XL is lighter but still a two-person lift.

Is it good for side sleepers?

The Lux Firm suits many side sleepers, but lighter side sleepers may prefer the Plush Soft.

When is the price lowest?

Saatva discounts around major holidays; the current best is $1,300 at Mattress Folks - Warehouse as of November 8, 2026.

Where can I buy the Saatva Classic LUX FIRM (11.5 in) TwinXL Mattress?

2 stores we checked sell it, including Mattress Folks - Warehouse, Saatva.

Saatva Classic LUX FIRM (11.5 in) TwinXL Mattress

Q: Where is the Saatva Classic LUX FIRM (11.5 in) TwinXL Mattress cheapest?

At Mattress Folks - Warehouse, for $1,300.00, as of our latest check.

Best price now

$1,300.00at Mattress Folks - WarehouseObserved at 6:28 AM

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What reviewers say

Owners of the Saatva Classic generally praise its support and the balance of the Euro pillow top over the coil core. Complaints tend to center on motion transfer and the mattress being heavy to handle.

What people mention

ComfortPraisedThe Euro pillow top is described as soft on top but not mushy.
Motion transferCriticisedCouples notice movement when the other person shifts.
WeightCriticisedOwners find it heavy to lift and rotate.
Edge supportMixedSome say the edges hold up; others find them softer than foam beds.

About the Saatva Classic LUX FIRM (11.5 in) TwinXL Mattress

The Saatva Classic Lux Firm 11.5" TXL Mattress delivers premium hotel-inspired comfort, advanced support, and handcrafted luxury construction for a restorative sleep experience. Designed with Saatva’s signature dual coil-on-coil system, enhanced lumbar support, and a plush Euro pillow top, this mattress provides the perfect balance of pressure relief and dependable support.

Its Lux Firm comfort feel is Saatva’s most popular option, offering a medium-firm sleeping surface ideal for side, back, and combination sleepers. Breathable materials and durable craftsmanship help promote cooler sleep and long-lasting comfort, while the Twin XL size makes it a great fit for adjustable bases, guest rooms, and split king setups.

Features:

• Twin XL size mattress • 11.5" mattress profile • Lux Firm comfort feel (medium-firm) • Dual coil-on-coil support system • Plush Euro pillow top design • Enhanced lumbar support technology • Individually wrapped comfort coils • Durable steel base coils for stability and support • Pressure-relieving comfort layers • Breathable organic cotton cover • Cooling airflow design for temperature regulation • Excellent motion isolation and edge support • Handcrafted luxury mattress construction • Ideal for side, back, and combination sleepers • Great for adjustable bases and split king setups • Mattress only. Foundation, frame, and headboard not included.

Local Pickup Only This item is available for local pickup only at Mattress Folks. It is not available for shipping through our online store.

Because mattress comfort is personal, we recommend stopping by Mattress Folks to check out the item in person before purchasing. For questions about availability, sizing, pickup, or condition, please call us at 864-777-0063 .

Please confirm the size before purchasing. All mattress dimensions are approximate and may vary slightly by manufacturer.