California Design Den 600‑Thread Cotton Sheets | TRUE Shift 4‑Pc Cal King Set

Sleep cool. Choose naturally soft cotton.

This TRUE Shift–approved sheet set is made of 100% cotton sateen, woven with a 600 thread count for a silky-smooth hotel-like feel. Certified by OEKO‑TEX® STANDARD 100, it’s free from harmful chemicals and dyes. Deep-pocket fitted sheets fit mattresses up to 16″ deep, and each set includes a flat sheet, fitted sheet, and two pillowcases.

Why TRUE Shift Recommends This Bedding Set

✔️ Oeko‑Tex® certified 100% cotton—safe for skin and planet. 
✔️ Crisp sateen feel with cooling breathability—ideal for year-round comfort. 
✔️ Fits deep mattresses snugly with elasticized corners; flat sheet indicates head/foot for easy making. 
✔️ Long-staple cotton resists fading or pilling, and washing retains softness.

Overall Sustainability Score

9.0/10

✔️ Made entirely from natural cotton—no polyester, microfiber, or finish coatings

✔️ Durable weave offers long-term use (expected 5–10 years per set)

✔️ Packaging reportedly plastic-free and eco-conscious.

Care & Comfort Tips

✔️ Machine wash warm, tumble dry low; remove promptly to minimize wrinkles. 

✔️ Avoid overdrying—cotton softens with wear while maintaining structure.

✔️ Fasten fitted sheet elastic around bottom to prevent shifting; head/foot labels ease sheet orientation.

What Customers Are Saying

“Substantial but smooth.”
“Won’t pill, stays like new long after washing.”
While wrinkles are natural due to cotton sateen, many call it worth the upkeep for breathable comfort.