Our overall winner is the Martha Stewart Luxury Egyptian Cotton Sheet Set, praised for its silky feel, OEKO TX certification, and durability. As a strong runner‑up, the Supima Cotton Percale Sheet Set offers excellent value with crisp comfort and comparable longevity.
We compared seven king‑size bedding options from the Martha Stewart collection using publicly available specifications, certifications such as OEKO TX and GOTS, and aggregated owner reviews from major retailers. The goal was to identify products that consistently deliver comfort, durability, and ease of care.
Our ranking reflects a blend of material quality, thread count, and the most frequently mentioned benefits and drawbacks by real owners. Below you will find the top picks for every sleep preference and budget.
Martha Stewart Luxury Egyptian Cotton Sheet Set – King
These sheets are woven from 100% Egyptian cotton with a 600‑thread count, offering a buttery soft surface that improves with each wash. The OEKO TX certification confirms the absence of harmful chemicals. They are deep‑pocketed for thick mattresses and resist pilling.
Check current priceHow we research and rank
We do not take payment for placement and we do not physically test products. Rankings come from manufacturer specifications, material certifications (CertiPUR-US foam, OEKO-TEX textiles), and the weight of aggregated verified owner reviews, analyzed for durability, heat retention and sagging. The scores in this guide are MattressVetted editorial research ratings — our assessment of the available evidence, not customer star averages. See how we rate.
How this guide was researched
- Final picks: 7 products, chosen from the models most searched and bought in this category.
- Evidence used: manufacturer specifications, independent certifications (CertiPUR-US foam, OEKO-TEX textiles), and aggregated verified-purchase owner reviews.
- Scoring weights: Construction 20%, Comfort 20%, Support 20%, Temperature 15%, Durability 10%, Motion and edge 5%, Trial and warranty 5%, Value 5%.
- Testing: we do not physically test products. Scores are our editorial research assessment, not a customer star average.
- Research reflects: July 2026.
Full method on our how we rate page.
The picks, compared
Martha Stewart Luxury Egyptian Cotton Sheet Set – King
customers seeking premium feel and long‑term durability · Type: Sheet Set | Thread Count: 600 | Material: 100% Egyptian Cotton | Trial: 30‑day return
These sheets are woven from 100% Egyptian cotton with a 600‑thread count, offering a buttery soft surface that improves with each wash. The OEKO TX certification confirms the absence of harmful chemicals. They are deep‑pocketed for thick mattresses and resist pilling.
What owners report: Owners highlight the sheets' luxurious texture and how they stay smooth after months of use. A minority note the higher price point but agree it matches the quality.
- Silky smooth texture
- OEKO TX certified
- Deep pockets for thick mattresses
- Higher price
- Requires gentle wash cycle
Martha Stewart Supima Cotton Percale Sheet Set – King
budget‑conscious shoppers who still want premium comfort · Type: Sheet Set | Thread Count: 300 | Material: Supima Cotton | Trial: 30‑day return
Made from Supima cotton, these sheets have a crisp 300‑thread count percale weave that stays cool throughout the night. They carry the GOTS label for organic processing. The set includes a fitted sheet, flat sheet, and two pillowcases.
What owners report: Reviewers appreciate the crisp feel and the solid value compared with other premium brands. Some mention minor wrinkles after washing but find them easy to iron out.
- Crisp cool feel
- GOTS certified
- Affordable price
- Wrinkles after wash
- Not as silky as Egyptian cotton
Martha Stewart Tencel Lyocell Sheet Set – King
hot sleepers who need temperature regulation · Type: Sheet Set | Thread Count: 400 | Material: Tencel Lyocell | Trial: 30‑day return
Tencel Lyocell fibers are engineered to wick moisture and release heat, creating a breathable surface. The sheets have a 400‑thread count and are OEKO TX certified. They are also naturally resistant to bacterial growth.
What owners report: Owners report feeling cooler and dryer, especially in humid climates. A few note a slight sheen that takes some getting used to.
- Excellent moisture management
- OEKO TX certified
- Naturally antibacterial
- Slight sheen
- Requires low heat drying
Martha Stewart Brushed Microfiber Sheet Set – King
side sleepers who value pressure relief and softness · Type: Sheet Set | Thread Count: N/A | Material: Polyester‑Cotton blend | Trial: 30‑day return
The brushed microfiber provides a plush, cushioned surface that conforms to the body. It is a blend of polyester and cotton, certified by OEKO TX. The fabric is resistant to stains and easy to maintain.
What owners report: Customers love the plush feel that eases pressure points. Some mention a faint static cling that can be reduced with dryer sheets.
- Plush cushioning
- Easy care
- OEKO TX certified
- Static cling
- Less breathable than natural fibers
Martha Stewart Organic Bamboo Sheet Set – King
eco‑conscious buyers seeking a low‑cost sustainable option · Type: Sheet Set | Thread Count: 350 | Material: Organic Bamboo Viscose | Trial: 30‑day return
These sheets are crafted from 100% organic bamboo viscose, providing a silky texture at a modest price. They hold the OEKO TX and FSC certifications. The set includes deep‑pocketed fitted sheets and standard pillowcases.
What owners report: Reviewers commend the softness and the environmentally friendly credentials. A few note that the fabric can pill after extensive use.
- Eco‑friendly materials
- Soft silky feel
- Budget friendly
- Potential pilling
- Requires gentle wash
Martha Stewart Sateen Satin Sheet Set – King
sleepers who prefer a firmer, smooth surface · Type: Sheet Set | Thread Count: 500 | Material: Long‑Staple Cotton | Trial: 30‑day return
The sateen weave delivers a slightly firmer handfeel while retaining a subtle sheen. Made from 100% long‑staple cotton, the sheets carry the OEKO TX label. They are designed to stay tight on the mattress without slipping.
What owners report: Owners highlight the firm yet smooth surface that supports movement. Some mention the sheet edges fraying after many washes.
- Firm smooth feel
- OEKO TX certified
- Secure fit
- Edge fraying over time
- Less breathable than percale
Martha Stewart Hybrid Knit and Cotton Sheet Set – King
those who like a blend of knit comfort and cotton breathability · Type: Sheet Set | Thread Count: 300 (cotton) | Material: Cotton + Knit blend | Trial: 30‑day return
This hybrid combines a lightweight cotton weave with a soft knitted top layer, offering a dual‑texture experience. The cotton component is OEKO TX certified, while the knit layer adds extra softness. The set includes all standard pieces.
What owners report: Reviewers appreciate the unique texture that balances softness and airflow. A minority find the knit layer prone to snagging.
- Dual texture
- Breathable cotton base
- OEKO TX certified cotton
- Potential snagging
- Higher maintenance
Frequently asked questions
What does OEKO TX certification mean for bedding?
OEKO TX certification verifies that the textile has been tested for harmful substances and meets strict environmental standards. It gives consumers confidence that the product is safe for skin contact and produced responsibly.
How important is thread count for king‑size sheets?
Thread count indicates the number of threads woven per square inch and can affect softness and durability. Higher counts generally feel smoother, but the fiber quality and weave type are equally important for overall comfort.
Can I machine wash these Martha Stewart sheets?
All listed models are machine washable, but manufacturers recommend using a gentle cycle with cold or warm water. Avoid bleach and high‑heat drying to preserve certifications and prevent premature wear.
Do these sheets come with a trial period?
Each product includes a standard 30‑day return window, allowing owners to assess feel, fit, and durability before committing. Some retailers may offer extended trial periods, so check the seller’s policy.
Which sheet set is best for hot sleepers?
The Tencel Lyocell Sheet Set is specifically engineered for moisture wicking and heat release, making it the top choice for hot sleepers seeking a cool night’s rest.
The verdict
The Martha Stewart Luxury Egyptian Cotton Sheet Set emerges as the overall winner for its blend of luxury, durability, and certification credibility. For budget‑focused buyers, the Supima Cotton Percale Sheet Set delivers solid value, while hot sleepers should consider the Tencel Lyocell Sheet Set for superior cooling.
