Beach Camera

Simmons Beautyrest Harmony Lux Carbon Plush Twin XL Mattress - 700810907-1020

Simmons Beautyrest Harmony Lux Carbon Plush Twin XL Mattress - 700810907-1020 - Main image
$1170.79 $1649 In stock

Category: Mattresses

Beautyrest Harmony Lux Carbon Series features our latest innovations in support; comfort; and cooling that work together in harmony for a better night's sleep. Its new and innovative coil design and support system; advanced pressure relieving foams; uniquely engineered cooling technologies and exclusive sustainable fabric technology makes this collection the ultimate choice in premium bedding. Featuring our RightTemp Wave Foam; our Harmony Lux Carbon Series sleeps cool and comfortable all night.



Please note due to hygienic and health regulations we are unable to accept returns for this product. All mattresses are custom built by Simmons at the time of your order.

A final check before payment

Review your options, quantities and the final total before confirming.

Ordering for an occasion

Delivery times are estimates, so leave time before your occasion.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy
If plans change

Ask the store about your order before making return or refund arrangements.

Please contact us for the refund processing timeframe before returning an item.

View policy
Planning delivery

Review the available services for your destination.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy
Return arrangements

Contact the store first to check the conditions for your item.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.8 / 5 · 5 reviews)

Nicholas I. ★★★★★

I was worried a plush mattress would sleep hot, but the new cooling technology keeps me comfortable all night without waking up sweaty. The carbon layer adds just enough support so I don’t sink in too deep. Really happy with how well it balances softness and stability.

Nicholas T. ★★★★★

The new coil design really does make a difference; I’ve noticed way less motion transfer when my partner shifts at night. It’s firm enough for support but still feels plush on top, and I’m sleeping deeper than I have in years.

Miles J. ★★★★★

I was skeptical about the cooling claim, but I stay surprisingly comfortable all night now. The support from the new coil system really helps with my back pain without feeling too firm. For the money, it's been a solid investment in better sleep.