California Design Den Soft 100% Cotton Twin XL Sheet Set – 400 TC Sateen, Good Housekeeping Award, Grey

Silky-smooth comfort meets everyday practicality

California Design Den delivers a 400-thread-count twin XL sheet set crafted from 100% long-staple cotton. The single-ply fibers create a lightweight, breathable hand that softens with every wash, while a gentle sateen weave provides a subtle, lustrous surface. The Grey tone adds a calm, versatile touch to most bedrooms.

This set has earned recognition for everyday ease, including the 2026 Good Housekeeping Best Bedding Award. Independent testing supports the brand?s seal of quality, while thoughtful design choices aim to simplify your nightly routine.

What you get

• Flat sheet: 66" W x 100" L
• Fitted sheet: 39" W x 80" L with all-around elastic (fits 8"–15" mattresses)
• Pillowcase: 21" W x 30" L with a classic open-end design

Soft, breathable, and durable

The lightweight sateen weave delivers a smooth, lustrous feel that remains comfortable across seasons. The fabric is gentle on skin and designed to hold up to regular laundering, with testing that checks for pilling, fading, and shrinkage.

• Gets softer with each wash, much like your favorite denim
• Breathable cotton helps balance comfort in warm and cool nights
• Easy-care routine: machine wash warm, tumble dry low, remove promptly to reduce wrinkles

Care, sustainability, and care-free evenings

Designed for everyday laundering, the sheet set is built to endure routine washing. Packaging is recyclable and plastic-free, underscoring a focus on sustainability. The product is crafted in a family-run factory in India, and the brand has donated tens of thousands of sheet sets across the U.S. over recent years.

With its neutral Grey shade, practical 3-piece configuration, and a fit designed for mattresses from 8" to 15" deep, this set aims to offer dependable comfort and simple bed making for everyday life. Results can vary by sleeping preferences and room conditions, but the combination of 400 threads, pure long-staple cotton, and a refined sateen finish suggests a smooth, breathable sleep surface that remains flattering wash after wash.