California Design Den

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California Design Den Natural cotton bedding designed for comfort, quality, and everyday living — without the luxury markup. Naturally restful for a brilliant life.

Dive into complete restfulness with lush sheets made of pure, earth-grown fibers using an ethical and sustainable process. Your new favorite bedding is healthy for you and the planet—free of harmful chemicals, biodegradable, and non-toxic. It’s brought to you by the California-based company with 1 million + delighted customers.

Autumn changes what your bed needs. Your thread count should change with it. 🍂400TC → great for hot sleepers even in the...
10/20/2026

Autumn changes what your bed needs. Your thread count should change with it. 🍂

400TC → great for hot sleepers even in the cooler months (GH Bedding Award winner)
600TC → the autumn sweet spot. Smooth, medium weight (Oprah Daily recognized)
800–1000TC → deep autumn and winter. The weight that earns its place

All long-staple cotton. All earned the Good Housekeeping Seal.

Thread count tells you feel — not just quality. In autumn, it also tells you warmth.

Save this. 👇

Shop by thread count → californiadesignden.com/collections/shop-by-thread-count

When a family name is on the label, someone's reputation is on the product. 🌿Our promise: if any defect occurs in any CD...
10/19/2026

When a family name is on the label, someone's reputation is on the product. 🌿

Our promise: if any defect occurs in any CDD product during its normal lifespan — we replace it. No time limit. No customer service maze.

This isn't corporate policy. It's personal.

The people who decided which cotton farms to source from are the same people you'd reach if something ever went wrong.

That's what the name on the label actually means.

Learn about our brand → californiadesignden.com

Not all flannel is made equal. And not all flannel starts with Portuguese cotton. 🌿 Portugal has been producing premium ...
10/18/2026

Not all flannel is made equal. And not all flannel starts with Portuguese cotton. 🌿

Portugal has been producing premium brushed cotton textiles since the 19th century — a craft tradition that results in flannel with noticeably more warmth and durability.

Flannel isn't a fabric — it's a process. Cotton yarn is woven, then brushed with fine metal rollers that raise the fibers, creating the dense, warm surface that makes flannel feel the way it does.

Ours is 100% cotton. No synthetic fill. No fleece. Just honest cotton, made warm the right way.

This is why October feels different in our sheets.

The first Saturday that actually feels like Fall. 🌅 The one where you don't feel guilty about staying in bed until 9. Ou...
10/17/2026

The first Saturday that actually feels like Fall. 🌅

The one where you don't feel guilty about staying in bed until 9.

Our Indulgent Luxury 1000 Thread Count Cotton Sateen — the heaviest, most enveloping sheet we make. The weight that says you're not going anywhere.

Backed by the Good Housekeeping Seal.

Some Saturdays are just for this.

Friday earned this. 🌿 The one where you cancel the plans you made when you were being optimistic about your energy level...
10/16/2026

Friday earned this. 🌿

The one where you cancel the plans you made when you were being optimistic about your energy levels.

Our GOTS Certified Organic Cotton Percale — crisp, clean cotton, tested by Good Housekeeping Institute.

The week is done. The bed is ready. You know what to do.

Autumn bedroom temperature — where do you stand? 🌡️ 🥶 Under 65°F — you live in a cave and we respect it❄️ 65–68°F — the ...
10/15/2026

Autumn bedroom temperature — where do you stand? 🌡️

🥶 Under 65°F — you live in a cave and we respect it
❄️ 65–68°F — the sweet spot most sleep experts agree on
🌡️ 68–72°F — you run warm and you know it
🔥 Whatever it is, I'm hot — you need a different conversation

Drop your answer below. We use this to match people to the right sheets. 👇

October edition. 🍂 This or That? WARM & BRUSHED 🍂 — Portuguese Flannel. Thick, cozy, the sheets that make getting up a p...
10/14/2026

October edition. 🍂

This or That?

WARM & BRUSHED 🍂 — Portuguese Flannel. Thick, cozy, the sheets that make getting up a personal decision.

SILKY & SMOOTH 🌙 — Cotton Sateen. Smooth, weighted, the weight that earns its place at the end of a long day.

Drop your answer below. 👇

(Or tell us if you somehow sleep on both. We won't judge.)

You see ""long-staple cotton"" on a lot of labels. Here's what it actually means. 🧵 → Cotton fibers come in different le...
10/13/2026

You see ""long-staple cotton"" on a lot of labels. Here's what it actually means. 🧵

→ Cotton fibers come in different lengths — short-staple and long-staple
→ Longer fibers = smoother yarn, fewer loose ends, less pilling over time
→ Short-staple cotton is cheaper to source — the fibers break apart with washing
→ Long-staple cotton holds its quality for years

Why it matters: a long-staple 400TC feels different from a short-staple 400TC. Same number, completely different fiber. That difference is what you feel the first night — and every night after.

Every CDD sheet uses long-staple cotton. No exceptions.

Save this for the next time you're comparing sheets. 👇

Still sleeping on summer sheets? October is your sign to switch. 🍂 Here's the honest guide: Percale → crisp, cool, breat...
10/13/2026

Still sleeping on summer sheets? October is your sign to switch. 🍂

Here's the honest guide:

Percale → crisp, cool, breathable. Perfect from April to September.
Flannel → brushed, warm, substantial. Made for exactly the next six months.

The rule of thumb: when your room drops below 65°F at night, percale starts working against you.

Or layer both — flannel fitted sheet + percale duvet cover — and get warmth without the weight.

Save this for when the temperature drops. It will. 👇

Good morning, October. 🍂 Ep. 01 of our Good Morning series. No alarm. No agenda. Just the first cold morning that makes ...
10/11/2026

Good morning, October. 🍂

Ep. 01 of our Good Morning series. No alarm. No agenda. Just the first cold morning that makes flannel feel necessary.

Our Portuguese Flannel — 100% cotton, brushed warm, the only thing between you and getting up.

Every Friday this month. A different product. The same morning light.

Shop → link in bio

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San Ramon, CA

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