Cool Dreams by Skinnies is a mattress cover aimed at controlling the temperature of your mattress. Cool Dreams mattress covers are designed using Outlast technology developed for NASA. Outlast fabric absorbs excess body heat and locks it away in microcapsules. When your body cools, the stored heat is then released back into your body. This technology keeps your body at a comfortable, constant body temperature as you sleep. Ideal for people with the following conditions: - Sleep Apnoea - Menopause - Psoriasis - General skin conditions Available in Single & King Size.