The Sleep People Japanese Nano Techniques Cooler Extreme fabric with Ice cooling feature is specially designed for this late summer season. This Cooler extreme fabric is specially developed for toppers and mattresses to keep your body cool during all the activities in Bed. Using nano techniques topper quickly transfers body heat outside to increase ventilation and breathability of this topper. This fabric along with real cooling technique foam avoids heat generated by memory foam. Cool Blue foam is medium to firm category foam plus the Cooler Extreme fabric is a very soft fabric means your Cooler Extreme topper will not just increase the life of your mattress but gives soft and cool sleep as well. This topper comes with an elastic strap on four sides for easy addition and removal from the mattress. Zipper cover if you wish to wash your topper in the washing machine. We provide free delivery of this topper across all mainland of the Great United Kingdom. Please Note: Cool Blue Foam is not suitable for Machine Wash.