Lightweight Feather Down Comforter for Warm Sleepers

37% Longer Deep Sleep with Cobnom Cotton Duvet Insert

Elevate Your Sleep Quality with Extended Deep Sleep - Designed to extend your light sleep stage by up to 15 minutes, increasing your deep N3 sleep duration. - Soft, breathable, and moisture-wicking 233TC pure Egyptian cotton shell ensures a comfortable and dry sleeping environment. - Quiet at just 15 decibels, providing undisturbed sleep even for the most sensitive sleeper.

Ethical Luxury and Lasting Comfort

Exclusive RDS-certified Ethical Down and OEKO-TEX Validated Purity - Ethically sourced down and OEKO-TEX validated for purity, ensuring no odors even after 36 rigorous cleans. - High-bulk feather down fabric and proprietary fluff-lock technology deliver cloud-like softness that resists clumping and stays lightweight yet warm. - Durable and lasts up to 5+ years, supporting cruelty-free practices and eco-conscious craftsmanship with a 30-day trial period.

All-Year Comfort for Sleep Bliss

Revolutionize Your Nights with Year-Round Comfort - Medium-weighted all-season down comforter offers a game-changing sleep experience. - Innovative 3D baffle box filling stops clumping and cold spots, ensuring even warmth distribution. - Balances comfort, warmth, and fill-weight for a thermoregulatory sleep environment, eliminating tossing and turning from temperature extremes.

Enduring Luxury for Lasting Comfort

Durable and Odor-Free Comfort for Years - Built with German-imported sewing technology, self-fabric piped, and double-stitched edges. - Durable construction with 4 corner tabs and 4 side loops keeps it securely in place, ideal for restless sleepers. - High-density cotton cover resists down leakage, ensuring a fresh and odor-free sleeping environment for years.

Eco-Friendly and Caring for the Environment

Effortless Care for Enduring Luxury - Durable and machine-washable with cold water on a gentle cycle and tumble-dried low. - Retains fluffiness and shape even after 30 washes, ensuring a consistent and cozy sleep experience. - Regular washing keeps your bed as cozy as a 5-star hotel every night.

Use Tips for Optimal Comfort

Maximize Comfort from the Start - After unpacking and vacuuming, spread the duvet insert for a few hours or tumble-dry on low for 10 minutes. - Feel the difference in lasting warmth and comfort every night with our premium duvet insert.