Organic Supima Cotton Duvet Cover & Shams

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Only 1% of the world’s cotton earns the name Supima. Make it yours to sleep under with our Supima Cotton Duvet Covers and Shams.

Overview

Supima cotton is celebrated as the U.S. counterpart to Egyptian cotton, but even rarer – every thread is grown by Native American farmers committed to practices that honor the Earth. Finished in a GOTS-certified facility, this heirloom-quality bedding set delivers unmatched softness, enduring strength, and a fluid drape.

Materials: Organic Supima cotton grown in the USA.
Weave: Three-over-one-under sateen weave for supreme softness and a subtle sheen.
Thread Count: 300 thread count with double-ply yarns that mimic a 600 thread count feel.
Nontoxic Integrity: No harsh chemical fabric treatments like formaldehyde resins or heavy metal dyes. Screened for 15,000+ toxic substances.
Breathability: Organic cotton’s breathability allows for cooler, comfier sleep compared to polyester or rayon.
Set Includes: 1 duvet cover, 2 pillow shams.
Certifications: GOTS, MADE SAFE®, and PETA-Approved Vegan.

SKU	Size	Dimensions
SVQ-SET-600-SUPSTN-	Full/Queen	Duvet: 90" x 92" Shams: 90" x 92"
SVK-600-SUPSTN-	King/California King	Duvet: 106" x 92" Shams: 20" x 38"
SHE-600-SUPSTN-	Euro	Shams: 26" x 26"

Materials: 100% GOTS-certified organic Supima cotton.
Origin: Made in India in a GOTS-certified facility.

View detailed specifications.

Free Shipping: Anywhere in the continental U.S.
Free Returns: Send it back in its original packaging within 30 days for a full refund.

Machine wash cold and tumble dry low. Warm iron. Do not bleach.

Supima Cotton Sateen: Fabric Profile

How It Looks

Smooth and subtly lustrous.

How It Feels

Supremely soft and pill-resistant.

How We Do It

300 thread count in a double-ply sateen weave.

Find Your Ideal Fabric

Look: Smooth & lustrous
Feel: Ultra-soft & balanced
Best for: Luxury, best of the best

Shop Supima

Look: Crisp & matte
Feel: Starchy & lightweight
Best for: Cool comfort or hotel vibes

Shop Percale

Look: Sleek & classic
Feel: Buttery & petal-like
Best for: Softness & drape

Shop Sateen

Look: Lived-in & relaxed
Feel: Textured & breezy
Best for: Airflow & aesthetics

Shop Linen

Look: Gauzy & super-fine
Feel: Airy & barely-there
Best for: Breathability & layering

Shop Muslin

Look: Honeycombed & dimensional
Feel: Squishy & cushioned
Best for: Warmth & visual interest

Shop Waffle

Minimal & Earth-Inspired

Our understated color palette allows our Supima collection to speak for itself. Choose from Arctic Snow, a luminous white, or Natural Undyed, a warm, elemental tone that reflects cotton in its raw state. Both options highlight the fiber’s beauty without distraction.

Provenance You Can Trust

Every fiber of Supima cotton carries a natural “fingerprint” that can be scientifically verified to confirm its origin. This technology ensures authenticity and traceability back to the Native American family farm where it was grown.

Corner Ties and Closures

Duvet covers are made for comfort and aesthetics. That means they shouldn’t shift, bunch, or require constant adjusting. Our built-in corner ties help to keep your insert securely in place, while durable closures ensure that everything stays aligned.

Sustainability in Every Stitch

Low-Impact Fibers

Made with fibers like organic cotton, flax, and wool, grown without synthetic pesticides or fertilizers.

Traceable Materials

Sourced from certified farms and suppliers with standards like GOTS that track materials from field to finish.

Fewer Chemicals

Processed without many of the dyes, finishes, and treatments used in conventional bedding.

Ethical Practices

Manufactured in certified facilities that uphold strict environmental and social responsibility standards.

Organic Supima Duvet FAQs

Supima cotton represents less than 1% of the world's cotton and is prized for its extra-long staple fibers. These fibers create a smoother, stronger yarn that resists pilling and maintains softness over time.

Not by default. Supima refers to the quality of the cotton – specifically extra-long staple fibers grown in the U.S. – not how it's farmed. While it can be grown organically, most Supima cotton is conventional unless it's explicitly certified. If organic standards are important to you, look for certifications like GOTS to ensure that the cotton was grown and processed according to strict environmental and social criteria. And, rest assured that Naturepedic's Supima Cotton Sheet Sets and Duvet Sets are 100% GOTS-certified organic.

Yes, our duvet covers are sold as a set with matching pillow shams. If you'd like extras, you can also purchase additional Supima shams separately.

Yes. This duvet cover includes built-in corner ties to help keep your insert securely in place. You can attach the ties to the loops on your duvet to prevent shifting and bunching, so that your bed stays smooth and comfortable.

Very minimally. Because our Supima cotton duvet is pre-washed, most of the natural shrinkage has already been accounted for before they reach your bed. While all cotton can react to heat, Supima's extra-long staple fibers are more stable than standard cotton, helping the fabric to better maintain its size and shape over time. With proper care – like washing in cool water and drying on low heat – any additional shrinkage should be negligible.

Supima cotton is naturally more resistant to pilling thanks to its extra-long staple fibers, which create a smoother, stronger yarn that's less likely to break or form pills over time. As for wrinkles, like all cotton, it can wrinkle slightly, but Supima's smoother, more refined weave helps to reduce that lived-in look compared to standard cotton. With proper care – washing in cool water and removing promptly from the dryer – your duvet cover will stay smooth, soft, and looking well-kept.

Our Supima duvet sets are only available in Arctic Snow (a luminous white) and Natural Undyed (a warm, earthy tone that reflects cotton in its raw state). However, our Organic Cotton Sateen Duvet Set – a similar weave, but less luxurious – comes in a variety of seasonal and timeless hues.

Each duvet cover features a natural wooden button closure, chosen for both durability and design.

SKU	Size	Dimensions
SVQ-SET-600-SUPSTN-	Full/Queen Duvet Set	90" x 92" / 20" x 28"
SVK-SET-600-SUPSTN-	King/California King Duvet Set	106" x 92" / 20" x 38"

SVQ-600-SUPSTN-	Full/Queen Duvet Cover	90" x 92"
SVK-600-SUPSTN-	King/California King Duvet Cover	106" x 92"

SHS-600-SUPSTN-	Standard Sham Pair	20" x 28"
SHK-600-SUPSTN-	King Sham Pair	20" x 38"
SHE-600-SUPSTN-	Euro Sham Pair	26" x 26"

Fabric: GOTS-certified organic Supima cotton sateen.

Colors: Arctic Snow (WHT), Undyed (UND).

Origin: Grown in the USA. Fabric sewn and finished in India in a GOTS-certified organic facility.

This Product Meets the Following Standards:
GOTS-certified organic from Control Union
MADE SAFE® certified
PETA-Approved Vegan

Organic Supima Cotton Duvet Set Care Instructions
Machine wash cold on a gentle cycle with like colors, using a mild detergent. Avoid bleach or fabric softeners, which can compromise the fibers. Tumble dry on low heat or line dry, and use a warm iron if desired to restore a smooth finish.

Free Shipping & Returns
Naturepedic offers free shipping from our certified organic factory in Chagrin Falls, Ohio, straight to your door. Most orders ship in 3-5 business days. (Please, be aware that may not be possible during our busiest sale seasons!) Worried you won't like your purchase? Don't be! View our free returns policy.

1-Year Warranty
Our products are built to last, which is why we back them with an industry-leading warranty. We're committed to quality and stand behind our craftsmanship, giving you confidence and peace of mind for years to come. View our warranty policies.

Minimized Chemical Exposure
At Naturepedic, we minimize environmental impact and health risks by strictly avoiding flame retardants, phthalates, vinyl/PVC, formaldehyde, and other materials found in conventional mattresses and bedding. We adhere to strict, third-party standards and testing protocols and, in 2024, we became the first mattress brand to become EWG Verified®. View more of our certifications.

Organic Cotton
Certified organic cotton stands out as a safer choice for the environment, farmers, and consumers alike because it's cultivated without synthetic pesticides or fertilizers, as prohibited by the Global Organic Textile Standard (GOTS). Organic certification ensures adherence to strict environmental and ethical standards, promoting biodiversity, soil health, and fair labor practices. This results in a healthier, more sustainable fabric that minimizes exposure to toxic chemicals.

Sustainability in Every Stitch
Naturepedic has been honored with the Good Housekeeping Sustainable Innovation Award, the Real Leaders® Eco Innovation Award, the Clean Production Action's Chemical Footprint Project Front Runner Award, the Environmental Working Group Hero Award, and others. We are a Green America Gold certified business and, as a 1% for the Planet® Member, Naturepedic donates 1% (or more!) of our annual mattress sales to environmental organizations driving change.

Responsible Packaging
Naturepedic's packaging is crafted with Mother Nature in mind, featuring kraft paper roll-packing to reduce the need for plastic. We use environmentally safer soy inks, FSC® certified paper, cardboard with high recycled content, and local printing partners to help reduce our carbon footprint. Learn more about our packaging.

SKU	Size	Dimensions
SVQ-SET-600-SUPSTN-	Full/Queen Duvet Set	90" x 92" / 20" x 28"
SVK-SET-600-SUPSTN-	King/California King Duvet Set	106" x 92" / 20" x 38"

SVQ-600-SUPSTN-	Full/Queen Duvet Cover	90" x 92"
SVK-600-SUPSTN-	King/California King Duvet Cover	106" x 92"

SHS-600-SUPSTN-	Standard Sham Pair	20" x 28"
SHK-600-SUPSTN-	King Sham Pair	20" x 38"
SHE-600-SUPSTN-	Euro Sham Pair	26" x 26"