Starts Cool, Stays Cool: Crafted with innovative HeiQ Cool technology, the cotton fabric of our double duvet 10.5 tog dynamically responds to body temperature. It's cool to touch and helps you stay comfortably cool all throughout the night Lightweight Comfort: Made from 100% cotton with a 180-thread count, this 10.5 tog double duvet is soft and designed for blissfully cool nights – the perfect double bed duvet for all seasons Ultra-Washable & Practical: This duvet double 10.5 tog can be home washed at 40°C and tumble dried quickly, keeping it fresh, hygienic and luxuriously soft so it feels like new after every single wash Hotel Quality at Home: Crafted to exceptional standards, this hotel quality duvet blends indulgence with practicality, ensuring you enjoy the comfort, durability and luxury finish of hotel bedding night after night Clever Climate Control: Designed for restorative sleep, this double quilt 10.5 tog adjusts naturally to your body’s needs. It prevents heat build-up and keeps your body at its optimal temperature.