💤 Threadmill Supima Luxury Cotton Sheets – California King | 1000 Thread Count Sateen Weave | 4-Piece Deep Pocket Set | Hotel White

Transform your nights with Threadmill Supima Luxury Cotton Sheets, made exclusively from 100% USA-grown Supima cotton—one of the world’s finest, longest-staple fibers. Designed for those who value comfort, breathability, and elegance, this California King 4-piece set offers the perfect blend of softness, durability, and timeless style.

Key Features:

  • 🌿 100% Supima Cotton: Crafted from extra-long staple cotton grown in the USA—renowned for its superior strength and silky-smooth texture.
  • 🧵 1000 Thread Count Sateen Weave: Luxuriously thick, buttery soft, and naturally lustrous—like sleeping on cloud-soft hotel sheets.
  • 🛏️ 4-Piece California King Set: Includes 1 flat sheet (112″ x 102″), 1 fitted sheet (72″ x 84″ + 16″ deep pocket), and 2 pillowcases (20″ x 40″).
  • Deep Pocket Design: Elasticized all around for a snug fit—ideal for tall mattresses, memory foam, or pillow tops.
  • 🌬️ Cool & Breathable: Keeps you cozy in winter and cool in summer, perfect for all-season comfort.
  • 🌎 Eco-Friendly & Ethically Made: Crafted in a LEED Gold-certified facility using sustainable processes and zero plastic packaging.
  • 🧺 Easy Care: Machine washable, resistant to fading, pilling, and shrinkage—even after multiple washes.

Why You’ll Love It

  • Feels buttery smooth and cool to the touch
  • Adds a luxury hotel aesthetic to your bedroom
  • Designed to last for years—stronger and softer with every wash
  • Proudly made from American-grown cotton, ensuring quality and purity

💬 Customer Reviews

★★★★★ “True Luxury at Home!”

“These sheets feel like the ones I slept on at a 5-star resort in Maui! The sateen weave gives them a silky, elegant feel, and they fit my deep mattress perfectly.”
Emma R., Austin, TX

★★★★★ “Worth Every Penny”

“I’ve tried several ‘high-end’ sheets before, but these are on another level. Supima cotton is incredibly soft yet durable. I’m definitely buying another set!”
James T., San Diego, CA

★★★★☆ “Cool, Comfy, and Classy”

“The fabric feels amazing against the skin, and I love the crisp white look. They wrinkle a little, but that’s normal for real cotton. Would still recommend 100%.”
Lisa H., Boston, MA

★★★★★ “Perfect Fit & Feel”

“The deep pockets are a lifesaver! My mattress is 15 inches thick, and these sheets stay put all night. Definitely hotel-level quality.”
David P., Chicago, IL


Frequently Asked Questions

Q1: Are these sheets 100% cotton or blended with synthetic fibers?
A: They’re made from 100% pure Supima cotton, grown exclusively in the USA—no blends or synthetics.

Q2: How do these feel compared to Egyptian cotton sheets?
A: Supima cotton is equally luxurious but more durable and resistant to pilling. It offers a silky-soft feel with superior breathability.

Q3: Will these sheets fit extra-deep mattresses?
A: Yes! The fitted sheet has 16-inch deep pockets and all-around elastic, ensuring a snug, secure fit on most thick mattresses.

Q4: Do they wrinkle easily?
A: Like all premium natural cotton sheets, light wrinkling may occur—but a quick tumble dry or light ironing smooths them out easily.

Q5: Are they safe for sensitive skin?
A: Absolutely. Supima cotton is naturally hypoallergenic, free from harmful chemicals, and gentle on all skin types.

Q6: What makes Supima cotton special?
A: Supima is American-grown premium cotton—finer, stronger, and softer than regular cotton. It represents the top 1% of global cotton production.