The visco therapy impression coolindigo25 has been developed and engineered to offer the same feel and pressure relieving properties as the equivalent density visco elastic memory foam but without the associated heat discomfort coolindigo25 also features ultra fresh anti microbial protection for the ultimate in mattress hygiene how does it work the visco therapy impression coolindigo25 gives and cradles you in the same way as regular memory foam however its very low almost zero visco ela