Threadmill 100% American Certified Supima Cotton Sheets King
Original price was: $210.99.$189.89Current price is: $189.89.
Product Overview
Indulge in the refined comfort of hotel-inspired luxury with the Threadmill 100% American Certified Supima Cotton Sheets King Size. Designed to deliver a five-star sleep experience, this 4-piece sheet set blends premium materials and expert craftsmanship into every thread. From the moment you slide between the sheets, you’ll feel the difference—velvety softness, lasting durability, and a subtle luster that speaks to timeless elegance. Whether you’re refreshing your master suite or outfitting a luxury vacation rental, these sheets transform your bedroom into a sanctuary of restful tranquility.
Key Features
- Pure American Supima Cotton: Made from 100% certified Supima cotton—a breed of cotton known for its exceptionally long staple fibers. These fibers create stronger, softer yarns that resist wear, retain color vibrancy, and maintain their luxurious feel wash after wash.
- Luxurious 1200 Thread Count Sateen Weave: The high thread count combined with a smooth sateen finish delivers a silky-soft surface with a gentle sheen. This weave enhances drape and reduces friction, offering a plush texture ideal for sensitive skin and restful nights.
- Generous 17-Inch Deep Pocket Fitted Sheet: Engineered to fit mattresses up to 17 inches thick, the fitted sheet features all-around elastic for a secure, snug fit. No more slipping, bunching, or awkwardly tight corners—just effortless coverage and peace of mind.
- Premium Craftsmanship & Durability: Each sheet is meticulously woven to minimize pilling, loose fibers, and fading. The result? Linens that look and feel luxurious for years, even with regular washing and use.
- Sustainable & Responsible Production: Manufactured using eco-conscious methods that honor both quality and environmental responsibility—because true luxury should also respect the planet.
Technical Specifications
- Material: 100% Supima Cotton (American Certified)
- Thread Count: 1200
- Weave Type: Sateen
- Set Includes: 1 Flat Sheet, 1 Fitted Sheet, 2 King Pillowcases
- Flat Sheet Dimensions: 110″ W x 104″ L
- Fitted Sheet Dimensions: 78″ W x 80″ L + 17″ Deep Pocket
- Pillowcase Dimensions: 20″ W x 40″ L (each)
- Color: White
Benefits & Use Cases
These king-size sheets are crafted for those who demand excellence in everyday luxury. The breathable nature of Supima cotton naturally regulates temperature, keeping you cool in summer and comfortably warm in winter—making them suitable for year-round use. The sateen weave glides smoothly over your skin, reducing irritation and enhancing sleep quality, especially for those with sensitive skin or conditions like eczema.
The deep pocket design ensures a perfect fit on standard and thicker king mattresses without sacrificing comfort or style. Whether you’re outfitting a primary bedroom, guest room, or boutique accommodation space, these sheets instantly elevate the ambiance with their crisp white hue and refined texture.
Beyond aesthetics, the durability of Supima cotton means these sheets maintain their softness and structural integrity through countless washes—ideal for families, frequent travelers, or anyone who values long-term value over disposable bedding.
Care Instructions & Longevity Tips
To preserve the luxurious feel and appearance of your sheets, machine wash them in cold water on a gentle cycle. Avoid bleach and fabric softeners, as they can degrade fiber strength and reduce absorbency over time. Tumble dry on low heat or air dry for best results. For wrinkle-free storage, fold immediately after drying and keep in a cool, dry place. While the fabric is fade-resistant, prolonged exposure to direct sunlight may gradually affect color intensity.
Sustainability & Ethical Commitment
Threadmill is proud to produce some of the world’s finest linens while maintaining a strong commitment to sustainability. From sourcing responsibly grown American Supima cotton to minimizing waste during manufacturing, every step is designed with both quality and environmental stewardship in mind. This dedication extends to fair labor practices and transparent supply chains—ensuring that luxury doesn’t come at a cost to people or the planet.
Your satisfaction is our guarantee. If you’re not completely delighted with your purchase, we stand behind the quality and performance of these sheets with a promise of full customer support.
13 reviews for Threadmill 100% American Certified Supima Cotton Sheets King
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Original price was: $210.99.$189.89Current price is: $189.89.
DeLaine Hudson –
The best
The best! These sheets are actually great, not silky and thin, I can’t stand thin sheets. These are comfortable and perfect and they will outlast any other…. my personal opinion, but I applaud the quality and comfort, thank you!
Donuts –
Smooth
I am extra picky about sheets and lately I have been adding too much to the landfill. After learning more about sheets than I ever thought I’d learn, I finally purchased a 1000 tc set and 2 months later I got the 1200 tc set. I love them both. Can I tell the difference? Yes, but it’s up to you how much you want to spend. The sheets are smooth, crisp and well-made. I will be buying another set in the near future. The only thing I would add is the big thick elastic that the Wamsutta Dream Zone sheets had. It really helps to keep them smooth on the bed.
Julie Branscum –
The Softest, Most Comfortable Sheets I’ve Ever Owned
I don’t usually write long reviews, but these sheets honestly deserve it. From the moment I took them out of the package, I could tell they were something special. The fabric feels luxuriously soft—almost buttery—without being flimsy or thin. They have just the right weight to them, giving a cozy, breathable feel that works well in both warm and cool nights.What impressed me most was the comfort level after actually sleeping on them. I’ve tried plenty of “soft” sheets in the past that felt nice at first but didn’t hold up after a night’s sleep or a wash cycle. These, however, exceeded my expectations. I woke up feeling refreshed, without that scratchy or stiff feeling you sometimes get from cheaper fabrics. They drape beautifully on the bed, stay smooth throughout the night, and the fitted sheet actually stays in place—no annoying corners popping up.Washing them was another pleasant surprise. They came out of the dryer just as soft as when they went in, with no pilling or roughness. In fact, they seemed even more comfortable after the first wash, which tells me they’ll likely get better and better over time.The color is also exactly as described, rich and elegant, which makes my bedroom feel more inviting. It’s clear that the quality is high—from the stitching to the fabric itself—and that’s not something I take for granted.Overall, I am thoroughly impressed and very happy with this purchase. These sheets feel like something you’d find in a high-end hotel, and yet I get to enjoy them every night at home. If you’re on the fence about buying them, I can confidently say they’re worth every penny. I will absolutely be purchasing another set.
David B Pease –
Best sheets we have had in over ten years
Sheets are great. They are soft and sturdy. We just started using them and we really like them.
Analyst –
Good sheets, but the Thread Count is VERY misleading. Not thick cotton. False Advertising.
These would be great cotton sheets at 60% of the listed purchase price. The listed 1200 threads per inch is a come-on, a gimmick. When I opened the package I found that they were made in India. Well, when it comes to cotton sheets, usually it is Turkey and Egypt who have the best cotton and deal with the best cotton products. Here we have the cheaper versions made in India. My research has found that there are various sneaky ways of threading the cotton to call something 1200, when, in reality, it is no more thick than 400 threads per inch. Such is the case here, and that is the most disturbing part of this product. Thus, it should be made clear that the product is made in India, and that the 1200 per inch is based on an unusual way of measurement and sewing. These sheets are no more thick than those at 400. However, they do have a deep pocket, which would work for those with very thick mattresses. They are good cotton sheets, but they should be advertised at 400 not 1200. Because of the false advertising I just had to lower the rating way down, since false advertising is really disgusting and dishonest. It causes me, the consumer, and you, the trouble of purchase and return. If they lowered the price by $100 the product here would be appropriately priced for the quality offered, and I would give them a better review.
SK –
Eight months’ use…..
So, I’ve had these (queen) sheets for eight months and have washed them weekly. Here is my take for anyone interested – pros: if you live in a hot climate like me, these are the type of sheets that balance the times when you need the cool touch at night but the warm cover when it’s cold in the morning. They are crisp cotton, and have the nice weight of a luxury sheet; worthy of the higher price point. Cons: only one, since I’ve washed them, I’ve noted some shrinkage. Suffice it to say they are so short on the sides of my mattress, I’ve had to short one side to accommodate the other. My mattress is high (14 inch) but not overly so). Just something to keep in mind. The length is terrific- more than enough to cover.
TimDB –
Excellent quality sheet set
Only received these 2 days ago, so first impressions – all favorable.- Deep gusset on bottom sheet fits our deep mattress with a memory foam topper- sheets feel heavy duty, rather than the lightweight ones we have been buying from Sams Club (despite being Hotel brand)- we enjoyed a comfortable nights sleep on our first use.Only slightly sour note is the set only includes 2 pillowcases, and I cant see a way to buy more. Surely we’re not the only ones who have 2 pillows per side when the bed is made up.Amy update later.
AA –
Substantial Sheet Set
Was looking for an extra deep sheet set for a new mattress 16 inches high. While this set said it fits up to 16 inches it was an ample fit after one wash and dry. Sheets were a substantial weight and I think they will hold up well to numerous washes. While not the softest, I think they will soften up after use.
Charles Russell –
Love these sheets. Quality and very comfortable. Don’t wrinkle up very much!
Oscar Mondragón –
Lo más que había tenido eran 1200 hilos, pero 1600 si hacen mucha diferencia, es como dormir en algodones. Se lavan bien, aunque no usé secadora por si acaso. Dos lavadas ya y como nuevas
KPD –
WOW is all i can say. These are luxury sheets, love the colour and the fit is perfect. Tses sheets just feel so nice. Chrip and thick…you know tese are goung to last…i was so appy with these that after i got them i purchssed a second set as a gift for some in my life who is very picked about be linen…well the were. Alp equall as impressed.The are worth the extra expense!
Jose A. Casazza Murillo –
Muy buenas y baratas
Bob Kay –
Excellent Sheets, I’m picky on my sheets and these fit the bill. Heavy thick weighty feel. Very high quality construction. Smooth, cool touch but not satin skin burning shiny.