Name: Kingnex Split King Mattress Topper
Brand: Kingnex
SKU: B0C23JYFHJ
Price: 89.99 USD
Availability: InStock
Rating: 4.4 (109 reviews)

Expert Review Analysis

The Kingnex Split Top King Mattress Topper is a lightweight (10 lb) breathable topper designed for adjustable beds. It features a fiber core with low density, a quilted fitted cover, and a split‑top design that flexes at the head for unrestricted articulation.

✓ Best for: Ideal for users of adjustable beds who need a lightweight, breathable layer that splits at the head to maintain full range of motion, especially couples with differing firmness preferences or anyone adding comfort to an existing King‑size mattress.

Pros

✓Lightweight construction at only 10.0 lb makes the topper easy to handle and install on a King‑size adjustable bed.
✓Breathable, quilted fitted cover promotes airflow and helps regulate temperature during sleep.
✓Fiber core with low density (1.5 lb/ft³) provides supportive yet flexible cushioning.
✓Split‑top design separates at the head, allowing full articulation of adjustable bed without bunching.

Best Seller Rank History

Now#140Best#140Worst#592 +10

Lower = better sales rank

Rating Trend

Rating4.5/ 5Reviews131+80 reviews -0.20

Specifications

Design

Core MaterialFiber

Core Density1.5 lb/ft³

Firmness (ILD/IFD)25

Cover FillPremium plush microfiber

Reversible SurfaceReversible, soft to touch

Features

BreathabilityBreathable design

Split Top DesignSplits from head for adjustable bed compatibility

Care InstructionsMachine washable in cold water, gentle cycle; tumble dry low heat

General

BrandKingnex

ModelSplit Top King Mattress Topper

ColorWhite

SizeSplit Top King 32-34 from Head

Height355.6 mm mm

Construction

Core MaterialFiber

Core Density1.5 lb/ft³

Comfort

Firmness (ILD/IFD)25

Dimensions & Weight

Height14.0 inches

Width78.0 inches

Depth80.0 Inches

Research Sources

mattresstoppercore.com

selectfurniturestore.com

Similar Products

Sleep Innovations Dual Layer 4 Inch Memory Foam Mattress Topper, King Size, Ultra Soft Support, 3 Inch Cooling Gel Memory Foam Plus 1 Inch Fluffy Pillow Top Cover

0.0(7,191)

$135.970

Sleep Innovations

Royal Hotel Bedding Mattress Topper, King, 2 Inches Hypoallergenic Overfilled Down Alternative Anchor Bands Mattress Topper

0.0

$59.990

Royal Hotel Bedding

EASELAND King Size Mattress Pad Pillow Top Mattress Cover Quilted Fitted Mattress Protector Cotton 8-21" Deep Pocket Cooling Topper (78x80 Inches, White)

0.0(116,081)

$59.900

EASELAND

Royal Hotel Bedding Waterproof Jacquard and Viscose derived from Bamboo, Blend Fitted Topper, Top Split King Mattress Pad

0.0(252)

$109.990

Royal Hotel Bedding

COHOME King Size Mattress Topper Extra Thick Cooling Mattress Pad 400TC Cotton Top Plush Down Alternative Fill Pillow Top Mattress Cover with 8-21 Inch Deep Pocket (78x80 Inches, White-Classic)

0.0(5,147)

$94.900

COHOME

Waterproof Quilted Split King Mattress Protector Pad for Adjustable Bed Noiseless Fitted Mattress Cover Soft Padded Topper with Up to 16 Deep Pocket

0.0(1,182)

$49.990

Kingnex

Kingnex Waterproof Split Top King Mattress Protector for Adjustable Bed with Upper Flex 32-34 from Head Ultra Soft Bamboo Viscose Jersey Noiseless Fitted Mattress Cover

0.0(6,961)

$44.990

Kingnex

Kingnex Waterproof Partial Split Top King Mattress Protector for Adjustable Bed with Upper Flex 32-34" from Head Soft Noiseless Bamboo Viscose Terry Fitted Mattress Cover

0.0(1,569)

$39.990

Kingnex

Kingnex Waterproof Quilted Split Top King Mattress Protector Pad for Adjustable Bed with Upper Flex 32-34 from Head Soft Padded Topper Noiseless Fitted Cover

0.0(1,496)

$59.990

Kingnex

Cooling Bamboo Viscose Split Top California King Mattress Protector Pad for Adjustable Bed with Upper Flex Fitted Sheet Style Matress Cover 32-34" Split from Head Cal King

0.0(455)

$69.990

Kingnex

Bamboo Viscose Cooling Split Top King Mattress Protector for Adjustable Bed with Upper Flex Waterproof Fitted Sheet Style Matress Cover 32-34" Split from Head

0.0(122)

$59.990

Kingnex

Split King Mattress Topper Protector Pad for Adjustable Bed Cover, Quilted, Breathable, Absorbent, Fitted Sheet Style, Machine Washable

0.0(2,121)

$44.980

Moonsea

Kingnex Waterproof Quilted Split Top King Mattress Protector Pad for Adjustable Bed with Upper Flex Fitted Sheet Padded Mattress Cover 32-34 Split from Head

0.0(553)

$54.990

Kingnex

BDEUS Dual Layer 5 Inch Memory Foam Mattress Topper King Size, 2 Inch Gel Memory Foam Plus 3 Inch 1450 GSM Down Alternative Quilted Pillow Top Mattress Pad Cover,Dark Gray

0.0(1,544)

$125.980

BDEUS

No Image

Beckham Hotel Collection King Size Mattress Pad (Extra Padded) & Protector Hybrid - Quilted Pillow Top Mattress Cover - Thick, Plush, Fitted Mattress Topper for Bed

0.0(615)

$129.990

Beckham Hotel Collection

No Image

PetArmor Extend Flea & Tick Trea...

$39.990

Split Top King Mattress Protector Waterproof Soft & Breathable Terry, 34" Top Split from Head 78''×80'' up to 18'' Depth, Skin-Friendly Machine Washable Mattress Cover

$29.990

SPRINGSPIRIT

User Reviews

Please sign in to leave a review

Sort by:

No reviews yet. Be the first to review!

Kingnex Split King Mattress Topper

Expert Review Analysis

Best Seller Rank History

Rating Trend

Specifications

Design

Features

General

Construction

Comfort

Dimensions & Weight

Research Sources

Similar Products

Sleep Innovations Dual Layer 4 Inch Memory Foam Mattress Topper, King Size, Ultra Soft Support, 3 Inch Cooling Gel Memory Foam Plus 1 Inch Fluffy Pillow Top Cover

Royal Hotel Bedding Mattress Topper, King, 2 Inches Hypoallergenic Overfilled Down Alternative Anchor Bands Mattress Topper

EASELAND King Size Mattress Pad Pillow Top Mattress Cover Quilted Fitted Mattress Protector Cotton 8-21" Deep Pocket Cooling Topper (78x80 Inches, White)

Royal Hotel Bedding Waterproof Jacquard and Viscose derived from Bamboo, Blend Fitted Topper, Top Split King Mattress Pad

COHOME King Size Mattress Topper Extra Thick Cooling Mattress Pad 400TC Cotton Top Plush Down Alternative Fill Pillow Top Mattress Cover with 8-21 Inch Deep Pocket (78x80 Inches, White-Classic)

Waterproof Quilted Split King Mattress Protector Pad for Adjustable Bed Noiseless Fitted Mattress Cover Soft Padded Topper with Up to 16 Deep Pocket

Kingnex Waterproof Split Top King Mattress Protector for Adjustable Bed with Upper Flex 32-34 from Head Ultra Soft Bamboo Viscose Jersey Noiseless Fitted Mattress Cover

Kingnex Waterproof Partial Split Top King Mattress Protector for Adjustable Bed with Upper Flex 32-34" from Head Soft Noiseless Bamboo Viscose Terry Fitted Mattress Cover

Kingnex Waterproof Quilted Split Top King Mattress Protector Pad for Adjustable Bed with Upper Flex 32-34 from Head Soft Padded Topper Noiseless Fitted Cover

Cooling Bamboo Viscose Split Top California King Mattress Protector Pad for Adjustable Bed with Upper Flex Fitted Sheet Style Matress Cover 32-34" Split from Head Cal King

Bamboo Viscose Cooling Split Top King Mattress Protector for Adjustable Bed with Upper Flex Waterproof Fitted Sheet Style Matress Cover 32-34" Split from Head

Split King Mattress Topper Protector Pad for Adjustable Bed Cover, Quilted, Breathable, Absorbent, Fitted Sheet Style, Machine Washable

Kingnex Waterproof Quilted Split Top King Mattress Protector Pad for Adjustable Bed with Upper Flex Fitted Sheet Padded Mattress Cover 32-34 Split from Head

BDEUS Dual Layer 5 Inch Memory Foam Mattress Topper King Size, 2 Inch Gel Memory Foam Plus 3 Inch 1450 GSM Down Alternative Quilted Pillow Top Mattress Pad Cover,Dark Gray

Kingnex Cotton Waterproof Split ...

Kingnex Cotton Waterproof Split ...

Kingnex Cotton Waterproof Split ...

Beckham Hotel Collection King Size Mattress Pad (Extra Padded) & Protector Hybrid - Quilted Pillow Top Mattress Cover - Thick, Plush, Fitted Mattress Topper for Bed

PetArmor Extend Flea & Tick Trea...

Split Top King Mattress Protector Waterproof Soft & Breathable Terry, 34" Top Split from Head 78''×80'' up to 18'' Depth, Skin-Friendly Machine Washable Mattress Cover

User Reviews