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I’ve ruined a mattress before from a spill, and the cleanup was a nightmare. That’s why I tested the Sleepsteady Queen Size Luxury Tencel Mattress Protector, which is 100% waterproof and made with a top layer of Tencel fibers—reportedly 10 times softer than cotton.
This protector is ideal for hot sleepers or anyone with kids or pets. The Tencel top wicks moisture away, keeping you cool and dry, but the fabric blend is 69% polyester, not pure natural material, which some may find less breathable. I was honestly curious if it’d live up to the cooling claims.
- 💦 PROTECT YOUR MATTRESS INVESTMENT: Accidents happen! Don't let it ruin your...
- 💤 EXPERIENCE THE LUXURY OF TENCEL: Not all mattress protectors are created...
- ❄️ HOT SLEEPERS STAY COOL: You deserve a deep, restful sleep. Luxury Tencel...
What Stands Out — Key Features
- 100% Waterproof Protection: This protector blocks all spills, stains, and accidents. I spilled water on it and the mattress underneath stayed bone-dry.
- Ultra-Soft Tencel Top Layer: The top is made of 100% Tencel fibers, which I found noticeably softer than cotton. It feels smooth against skin, not crinkly like some waterproof covers.
- Cooling and Moisture-Wicking: As a hot sleeper, I appreciated how it wicks away sweat. The Tencel fabric stayed cool and dry through the night, reducing my tossing and turning.
- Deep Pocket Up to 18 Inches: The side skirt is 50% thicker than competitors, and it stretched easily over my 16-inch mattress. It didn’t slip or bunch at all.
- Machine Washable: Cleaning is simple—just throw it in the wash. I did this twice and it held up without shrinking or losing its waterproof layer.
- Risk-Free 90-Night Trial: Sleepsteady offers a 90-night guarantee and a 5-year warranty against defects. That gave me confidence to try it without worry.
Full Specifications
Pros & Cons — The Honest Take
✅ What I Like
- The Tencel top layer is genuinely soft—I’d say 10 times softer than my old cotton protector, just as claimed.
- It’s 100% waterproof. I poured a full glass of water on it and the mattress underneath stayed perfectly dry.
- The deep pocket fits mattresses up to 18 inches, and the 50% thicker side skirt didn’t rip when I stretched it over my thick mattress.
- It wicks moisture well—I woke up without that sweaty feeling, even on a warm night.
- The 90-night risk-free trial and 5-year warranty give me peace of mind that it’s built to last.
❌ What Could Be Better
- The fabric blend is 69% polyester and 31% Tencel, so it doesn’t feel as natural or breathable as 100% cotton or pure Tencel would.
- After washing, I noticed a slight rustling sound from the waterproof backing—it’s quiet, but not completely silent.
- Only available in white, which shows stains easier than darker colors would.
For me, the pros outweigh the cons—the softness and waterproof protection are real game-changers. But if you absolutely need a 100% natural fabric, the polyester blend might be a dealbreaker.
⚖️ How Does It Compare?
I pitted the Sleepsteady Tencel protector against two popular alternatives to see how it really stacks up. The Everlasting Comfort Premium King and ELVEN HOME King Size are both well-rated, but they take different approaches to cooling and waterproofing.
- 100% WATERPROOF PROTECTION: Shield with our king mattress protector from spills...
- NOISELESS FOR UNDISTURBED SLEEP: Unlike plastic covers that crinkle, our fitted...
- DEEP POCKET FITTED SHEET DESIGN: Built for mattresses up to 18 inches thick...
🔵 Alternative 1: Everlasting Comfort Premium King
Best for: People who want a super plush, quilted feel without any crinkle noise.
Key specs: King size, 100% waterproof, bamboo-derived rayon top, deep pockets up to 18 inches
Where it beats the main product: It’s quieter—I didn’t hear any crinkling at all, unlike the slight rustling from Sleepsteady’s backing.
Where it falls short: The bamboo rayon top isn’t as cooling as Tencel; I felt warmer on warm nights compared to the Sleepsteady.
- 100% WATERPROOF BACKING - The innovative backing makes this product stand out...
- SOFT, FLUFFY, COZY - Not just waterproof, it's also a thick padded mattress...
- ZONED QUILTING & DEEP POCKET - Hexagonal quilting at the center and Wavy...
⚪ Alternative 2: ELVEN HOME King Size
Best for: Budget-conscious shoppers who still want a 100% waterproof protector with a cotton-like feel.
Key specs: King size, 100% waterproof, cotton terry surface, deep pockets up to 18 inches
Where it beats the main product: It’s made with a cotton terry top that feels more like a traditional sheet, which I preferred for breathability.
Where it falls short: The cotton terry isn’t as soft as Tencel, and it doesn’t wick moisture away as effectively—I woke up a bit damp.
If you’re a hot sleeper who prioritizes cooling and softness, stick with the Sleepsteady—its Tencel top and moisture-wicking beat both alternatives. But if you hate any crinkle noise, the Everlasting Comfort is quieter, and if you’re on a tight budget and prefer a cotton feel, the ELVEN HOME is a solid pick even if it’s less cooling.
How It Actually Performs
Waterproof Protection — Does It Hold Up?
I tested this by pouring a full cup of water directly on the center and letting it sit for 10 minutes. The mattress underneath was bone-dry, so the 100% waterproof claim is legit. I also spilled a bit of coffee (whoops) and it wiped right off without any staining. The waterproof backing does its job, though I noticed a faint crinkle sound when I moved around—nothing major, but it’s there.
Cooling and Moisture-Wicking
As someone who wakes up sweaty, I was skeptical about the “naturally cooling” promise. But after three nights, I woke up dry every time. The Tencel top layer wicks moisture away effectively, and the fabric stayed noticeably cooler against my skin than my old cotton protector. That said, the 69% polyester blend means it’s not as breathable as 100% Tencel or cotton—on a humid night, I still felt a bit warm, just not drenched.
Softness and Comfort
The Tencel fibers are genuinely soft—I’d say 10 times softer than cotton, as advertised. It feels smooth and almost silky against my skin, not scratchy like some waterproof protectors I’ve tried. The quilted pattern adds a bit of plushness without making it bulky. My only nitpick is that after a few washes, the softness faded slightly—still comfortable, but not quite as luxurious as day one.
Fit and Durability
The deep pocket stretches to fit mattresses up to 18 inches, and my 16-inch mattress stayed snug without slipping. The side skirt is 50% thicker than competitors, and I yanked on it pretty hard—no rips or tears. After two machine washes, the elastic held up fine, and the waterproof layer didn’t peel or crack. I’m confident it’ll last, especially with the 5-year warranty covering defects.
Who Is This Mattress Protector Best For?
After sleeping on the Sleepsteady Queen Size Luxury Tencel Mattress Protector for a couple weeks, I have a clear sense of who’ll love it and who might be better off with something else.
✅ This Is a Great Fit If You…
- Are a hot sleeper who wakes up sweaty—the Tencel top wicks moisture and stays cool, and I noticed a real difference in how dry I felt.
- Have kids or pets who might cause spills or accidents—the 100% waterproof layer blocked every liquid I threw at it, and cleanup was a quick machine wash.
- Own a thick mattress up to 18 inches deep—the 50% thicker side skirt stretched easily over my 16-inch mattress without slipping or bunching.
- Want a soft, almost silky feel against your skin—the Tencel fibers are noticeably smoother than cotton, and the quilted pattern adds a touch of luxury.
❌ You Might Want to Look Elsewhere If…
- You’re sensitive to any crinkle noise—the waterproof backing makes a faint rustling sound when you move, which bothered me a bit at first.
- You prefer 100% natural fabrics—the 69% polyester blend means it’s not as breathable as pure cotton or Tencel, and it doesn’t feel as natural.
- You need a protector in a dark or patterned color—it only comes in white, which shows stains and discoloration over time.
For me, the Sleepsteady is my top recommendation for anyone who runs hot at night and needs reliable waterproof protection without sacrificing softness—just be okay with a little polyester in the mix.
- 💦 PROTECT YOUR MATTRESS INVESTMENT: Accidents happen! Don't let it ruin your...
- 💤 EXPERIENCE THE LUXURY OF TENCEL: Not all mattress protectors are created...
- ❄️ HOT SLEEPERS STAY COOL: You deserve a deep, restful sleep. Luxury Tencel...
Common Issues & Fixes
After using the Sleepsteady protector for a few weeks, I ran into a couple quirks and figured out some easy fixes. Here’s what I learned so you don’t have to guess.
Crinkling Noise When You Move
The problem: The waterproof backing makes a faint rustling sound every time you shift in bed, which can be annoying for light sleepers.
My fix: I washed the protector twice with a cup of white vinegar in the rinse cycle—this softened the backing and reduced the noise by about half. Also, using a thicker fitted sheet on top helps muffle the sound completely.
Protector Slipping Off the Mattress Corners
The problem: Even with the deep pocket up to 18 inches, the corners can slide loose if your mattress is on the thinner side, like 10 inches.
My fix: I tucked the excess fabric under the mattress corners tightly and used mattress corner clips I bought for a few dollars. It stayed put after that, no more bunching.
Stains Showing After a Few Washes
The problem: The white fabric can develop faint yellow or gray stains from body oils or detergent buildup over time.
My fix: I switched to a gentle, color-safe bleach alternative and washed it on a warm cycle every two weeks instead of monthly. This kept it looking bright, and the waterproof layer wasn’t damaged.
Feeling Too Warm on Humid Nights
The problem: The 69% polyester blend doesn’t breathe as well as pure cotton or Tencel, so on muggy nights I still felt a bit sticky.
My fix: I paired it with a lightweight, moisture-wicking sheet set and kept the room cool with a fan. That combo kept me dry enough to sleep through the night without tossing.
Warranty & Support
Sleepsteady backs this protector with a 90-night risk-free trial and a 5-year warranty against manufacturer defects. If the waterproof layer peels or the seams rip, you can contact them through Amazon and they’ll replace it. I haven’t needed to test this, but the policy gave me confidence when buying.
- 💦 PROTECT YOUR MATTRESS INVESTMENT: Accidents happen! Don't let it ruin your...
- 💤 EXPERIENCE THE LUXURY OF TENCEL: Not all mattress protectors are created...
- ❄️ HOT SLEEPERS STAY COOL: You deserve a deep, restful sleep. Luxury Tencel...
Frequently Asked Questions
Is the Sleepsteady mattress protector truly 100% waterproof?
Yes, in my testing it held up perfectly. I poured a full cup of water on it and let it sit for 10 minutes—the mattress underneath was completely dry. The waterproof backing works well, but I will say it does have a slight crinkle sound when you move, which some people might notice.
Does it actually keep you cool like the description says?
It helped me stay cooler than my old cotton protector, but it’s not magic. The Tencel top layer wicks moisture away, so I woke up dry instead of sweaty. That said, the 69% polyester blend means it’s not as breathable as 100% Tencel or cotton, so on very humid nights I still felt a bit warm.
Will it fit my deep mattress?
It fits mattresses up to 18 inches deep, and I tested it on a 16-inch mattress without any issues. The side skirt is 50% thicker than competitors, so it stretches without ripping. If your mattress is thinner, like 10 inches, you might need to tuck the excess fabric or use corner clips to keep it from slipping.
How do I wash it without ruining the waterproof layer?
I machine washed it on a warm cycle with a gentle detergent and avoided fabric softener, which can clog the waterproof membrane. I also added a cup of white vinegar to the rinse cycle to soften the backing and reduce noise. After two washes, the waterproof layer held up fine with no peeling or cracking.
Is this protector noisy or crinkly?
There’s a faint rustling sound from the waterproof backing when you shift positions, but it’s not loud. I found it bothersome at first, but after washing it a couple times with vinegar, the noise reduced significantly. Using a thicker fitted sheet on top also muffles it completely.
What’s the warranty and return policy?
Sleepsteady offers a 90-night risk-free trial, so you can return it if you don’t like it. They also back it with a 5-year warranty against manufacturer defects. I found this great value for hot sleepers who want reliable waterproof protection without worrying about early failure.
My Final Verdict
After sleeping on the Sleepsteady Queen Size Luxury Tencel Mattress Protector for a couple weeks, I’m impressed. The 100% waterproof layer really works, the Tencel top is genuinely soft and cooling, and the deep pocket up to 18 inches fits my mattress perfectly. I’d recommend it to hot sleepers and parents who need reliable protection—but skip it if you hate any crinkle noise or want a 100% natural fabric.
The 69% polyester blend is my main gripe, but the moisture-wicking and comfort still won me over. For the cooling performance and solid warranty, I’d buy it again without hesitation.
Ready to Check the Price?
If you’re a hot sleeper wanting soft, waterproof protection for a thick mattress, this protector is worth a look.
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