Cobnom King Size Organic Down Comforter - All-Season, Medium Warm, Ivory White

Your Full Specs Overview

37% Longer Deep Sleep with Cobnorm Cotton Duvet Insert

Extend Your Deep Sleep by 15 Minutes

Our Cobnorm cotton duvet insert is designed to improve your sleep quality, extending the duration of your light sleep stage and increasing your deep N3 sleep by up to 15 minutes. The 233TC pure Egyptian cotton shell ensures a soft, breathable, and moisture-wicking surface that regulates temperature for a cozy, dry sleep. Its 15 decibel quietness, significantly lower than the disruptive 30 decibels, ensures you rest undisturbed and enjoy deeper, more restorative sleep.

Ethical Luxury Meets Lasting Comfort

Rest assured with our RDS-certified down ethically sourced and OEKO-TEX validated for purity. Free from odors even after 36 rigorous cleans, our high-bulk feather down fabric and proprietary fluff-lock technology deliver cloud-like softness that resists clumping. It stays lightweight yet warm and lasts up to 5+ years. Sleep soundly knowing your duvet comfort supports cruelty-free practices and eco-conscious craftsmanship, backed by a 30-day trial period.

Discover Year-Round Sleep Bliss

Tired of chasing sleep due to discomfort? Our all-season down comforter is here to revolutionize your nights! Designed for year-round use, its medium-weighted build is a game-changer. Innovative 3D baffle box filling stops clumping and cold spots, ensuring warmth is evenly spread. It masterfully balances comfort, warmth, and fill-weight, creating a thermoregulatory sleep space like no other. You'll never toss and turn from being too hot or cold again.

Invest in Lifetime Comfort

Our durable, odor-free down comforter is your best sleep companion for years to come. Crafted with self-fabric piped and double-stitched edges using German-imported sewing technology, this down duvet is built to last. The 4 corner tabs and 4 side loops ensure it stays firmly in place, even if you're a restless sleeper. Its high-density cotton cover is a fortress against down leakage, so you'll never have to worry about strange odors, no matter how long you use it.

EASY Care - Enduring Luxury

Say goodbye to dry-cleaning hassles! Our down comforter is designed for real life—machine-washable with cold water on a gentle cycle and tumble-dried low (no special trips or fees!). Even after 30 washes, it still maintains its fluffiness and shape, ensuring you a consistent and cozy sleep experience. Every wash renews its plush embrace, so your bed feels like a 5-star hotel every single night.

Use Tips

After unpacking the duvet, it’s recommended to spread it out for a few hours or tumble it in the dryer for 10 minutes at a low temperature. Feel the difference night after night—our duvet ensures you enjoy lasting warmth without sacrificing comfort or quality.