Now incorporates coolmaxreg technology to help keep you cool and fresh the classic mattress has been designed for those people who want the experience of sleeping on a slow recovery visco material which responds to both body heat and pressure to get the maximum benefit out of the memory foam we have covered the classic mattress in a very high quality removeable machine washable coolmax cover 149 coolmax cover 149 luxury deep layer of visco memory foam 149 no springs 149 breathes