Slumberdown Blue Ultracool Nylon Summer Duvet in Size Superking, Sports Direct. The Slumberdown Cool Sleep Ultra Cool Nylon Summer Duvet / Blanket has been crafted to reduce heat through the night to promote a cooler, more restful sleep. Being twice as cool to the touch as standard polyester, the soft and silky fabric conducts heat away from your body, ensuring a refreshingly cool sensation with every initial touch. Specifically engineered to assist you in enjoying those cooler spots within your bed throughout the night, warm summer nights will become a breeze. You can wave goodbye to bed-making worries with our innovative coverless design. Our Cool Sleep Nylon Duvet is not only designed to effectively conduct heat away but also to prioritise your health and comfort. Crafted from hypoallergenic materials, it offers a safe haven for allergy sufferers, ensuring a restful night's sleep without the worry of irritation or discomfort. Rest assured, you can indulge in the cooling comfort of our duvet without the risk of triggering allergies. Besides its cooling features, the Cool Sleep Duvet is washing machine and tumble-dryer friendly, making maintenance a breeze. Simply pop on a gentle wash cycle at 40 degrees before a cool tumble dry, with the cooling technology remaining fully effective even after repeated laundering, guaranteeing lasting coolness. For the ultimate cool sleep, combine your duvet with the matching fitted sheet and pillowcases, and say goodbye to overheating nights.Looking for alternatives to stores like JD Sports, eBay, SHEIN, ASOS, Next, Best Choice UK, Very, Decathlon UK, Argos, schuh, Temu, BuyBetter, or Nike Official? Discover our unique selection.