Simmons Beautyrest® Beautyrest Black® Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress

Simmons Beautyrest® Beautyrest Black® Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress -Twin XL K-CLASS Plush Pillow Top Twin XL

Elevate your sleep to a luxurious reward night after night. As the premier offering in our most advanced collection yet, the Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress offers up to 21% more support where your body needs it the most. With help from our new plant-based cooling technology, the collection provides up to 18% more cooling power to keep you comfortable as you fall asleep and all night long. In addition to our support and cooling systems, the Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress includes comfort, pressure-relieving and support upgrades as well as 10X more memory foam compared to Beautyrest Black L-Classand C-Class models for our most comfortable mattress ever. A luxurious layer made with silk, alpaca and cashmere provides unmatched comfort and breathability while Self-Response Latex ensures individualized support for different parts of your body. Lasty, 2000 micro-coils add an additional layer to our Premier Support System and provide precise conformability. Sleep soundly knowing your mattress has antimicrobial protection to keep your mattress fresh and clean from odor causing bacteria. These innovative features are paired with an all-new modern design to create a first-class sleep experience that will leave you feeling invigorated to take on your day. In the center-third of mattress, exact percentage varies by model vs. Harmony Lux Collection for the first 20 minutes by weight, this product does not protect users against bacteria, viruses, germs or other disease organisms. Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress -Twin XL K-CLASS Plush Pillow Top Twin XL K-CLASS Plush Pillow Top Twin XL Simmons Beautyrest®

Simmons Beautyrest® Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress -Twin XL K-CLASS Plush Pillow Top Twin XL in Portland, Oregon

View all of the items in the Beautyrest Black® collection

Product Details

This item has been discontinued by the manufacturer September 22, 2025. Not available for purchase.

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Product Overview

Item Description

Product Description Elevate your sleep to a luxurious reward night after night. As the premier offering in our most advanced collection yet, the Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress offers up to 21% more support where your body needs it the most. With help from our new plant-based cooling technology, the collection provides up to 18% more cooling power to keep you comfortable as you fall asleep and all night long. In addition to our support and cooling systems, the Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress includes comfort, pressure-relieving and support upgrades as well as 10X more memory foam compared to Beautyrest Black L-Classand C-Class models for our most comfortable mattress ever. A luxurious layer made with silk, alpaca and cashmere provides unmatched comfort and breathability while Self-Response Latex ensures individualized support for different parts of your body. Lasty, 2000 micro-coils add an additional layer to our Premier Support System and provide precise conformability. Sleep soundly knowing your mattress has antimicrobial protection to keep your mattress fresh and clean from odor causing bacteria. These innovative features are paired with an all-new modern design to create a first-class sleep experience that will leave you feeling invigorated to take on your day. In the center-third of mattress, exact percentage varies by model vs. Harmony Lux Collection for the first 20 minutes by weight, this product does not protect users against bacteria, viruses, germs or other disease organisms.

Collection Features As the premier offering in our most advanced collection yet, Beautyrest Black® K-Class includes everything you’ll find in the C-Class and L-Class models plus an extra layer of 2K Nano Coils to create our most robust support system and enhanced conformability. Additionally, K-Class models feature up to 10x more memory foam for even more pressure relief.

Country of Origin USA

Dimensions

Width 39" (99.1 cm)39INH

Depth 79 1/2" (201.9 cm)79 1/2INH

Height 16 1/2" (41.9 cm)16 1/2INH

Weight 100.04 lb (45 kg)100.04 lb

Design Elements & Features

Features Cooling Technology

Construction & Ergonomics

Construction Antimicrobial Mattress Protection. Perfect Sleep Temperature: BlackICE™ with Plant-Based Cooling Technology, 1 1/4'' AirFeel™ Foam, and 3/4 SurfaceTouch™, Gel Memory Foam. Pressure Relieving Foams: 3'' AirCool® Memory Foam, 1'' Comfort Layer made with Alpaca, Cashmere and Silk Fibers, and 1/2'' Self Response™ Latex. Premier Support System: 1'' 2K Nano Coil and Zoned T3 Pocket Coil® Technology.

Assembly & Care

Warranty Warranty Information

Other Details

Availability

This item has been discontinued by the manufacturer. Not available for purchase.

Bed Size Twin XL

Brand Simmons Beautyrest®

Category Mattresses

Collection Beautyrest Black®

Comfort Pillow Top

Description Beautyrest Black K-Class 16.5'' Plush Pillow Top Mattress -Twin XL

SKU K-CLASS Plush Pillow Top Twin XL

Support Plush

Type Foam, Pocket Coil, Gel Memory

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