Naturesoft Organic Flannel Sheet Review and Winter Giveaway

Originally published as a winter giveaway. Last updated May 2026 with current product information.

Note: The winter giveaway originally featured in this post has ended (congrats to our winner, Daniel G. of Arcadia, CA!). The Naturesoft Organic Flannel Sheets remain a customer favorite and are available year-round. Shop them directly using the links below.

When winter sets in and the nights get long, nothing beats slipping into a bed made up with organic flannel sheets. At The Natural Sleep Store, we love all things healthy, cozy, and warm, which is exactly why Naturesoft Organic Flannel Sheets have become one of our favorite cold-weather bedding picks.

What Makes Naturesoft Organic Flannel Sheets Special

Naturesoft Organic Flannel Sheets are made from super-soft, brushed organic cotton. They're a bedding essential the moment the temperature drops. Swapping your summer percale or sateen for flannel in the fall and winter is one of the simplest, most affordable ways to add real warmth to cold nights without piling on extra blankets.

A few things make these sheets stand out:

• GOTS Certified Organic Cotton. Every fiber is certified by the Global Organic Textile Standard.
• Undyed and Unbleached. No chemical dyes, no bleaching agents. The natural cream/ivory color is the cotton itself.
• Brushed Cotton Texture. The brushed flannel finish creates the cozy, slightly fuzzy feel that makes flannel so beloved.
• Made in the USA. From the cotton itself to the finished sheets, every step happens in the United States.
• 16-Inch Pocket Depth. The fitted sheet works on most standard and thicker mattresses without popping off corners.
• Great Value. One of the most affordable organic flannel sheet sets we carry, with no compromise on certification.

Why Flannel Beats Other Winter Sheets

If you've never tried flannel sheets, here's why they're worth the switch in colder months:

• Warmer than percale or sateen. The brushed surface traps body heat far more effectively than smooth-weave sheets.
• Softer with each wash. Quality organic flannel becomes more comfortable over time as the fibers relax.
• Breathable, not stuffy. Despite their warmth, organic cotton flannel still breathes, unlike polyester fleece sheets, which trap moisture and can feel clammy.
• Less need for heavy comforters. Many flannel sheet users find they can sleep under a lighter blanket since the sheets themselves do so much of the work.

Why Choose Undyed Organic Flannel?

The undyed natural color of Naturesoft sheets isn't just an aesthetic choice. Skipping the dyeing process means skipping the chemicals, including heavy metals, fixatives, and synthetic colorants that can remain in finished textiles. For anyone with sensitive skin, allergies, or simply a preference for keeping their bedding as natural as possible, undyed organic flannel is the cleanest option available.

The natural cream tone also pairs beautifully with virtually any bedroom palette and avoids the slightly artificial look of bright-white bleached sheets.

Frequently Asked Questions

Will flannel sheets be too hot in summer?

Most people swap flannel sheets out for percale or sateen during warmer months. Flannel is specifically designed for fall and winter use. Many homes keep both flannel and lighter sheets in rotation throughout the year for seasonal swaps.

How do I wash organic flannel sheets?

Machine wash in cool or warm water on a gentle cycle, and tumble dry on low. Avoid bleach (organic flannel is undyed and unbleached for a reason) and skip fabric softeners, which can coat the fibers and reduce that brushed-soft feel. With proper care, organic flannel sheets can last 5 to 10 years.

Are organic flannel sheets actually softer than conventional flannel?

Yes, typically. Conventional flannel often relies on chemical softeners and finishes that wash out over time. Organic flannel like Naturesoft achieves softness through quality cotton fibers and proper brushing, which actually improves with wear rather than breaking down.

What sizes do Naturesoft Organic Flannel Sheets come in?

They're available in all standard mattress sizes including Twin, Twin XL, Full, Queen, King, and California King.

Will the 16-inch pocket fit my mattress?

The 16-inch pocket depth fits most standard mattresses and many thicker ones, including those with mattress toppers. For especially deep pillow-top mattresses (often 18 inches or more), measure your mattress height before ordering to ensure a good fit.

Stay Warm and Cozy This Season

We want you to stay warm and cozy through every winter, and making Naturesoft Organic Flannel Sheets the foundation of your winter bedding is the perfect place to start. Shop them directly, or browse our full collection of organic sheets for every season at The Natural Sleep Store.