Blue is a unique, low loft pillow standing approximately 225 inches highcarbon. Blue is a propietary water-based cooling technology made from heat regulating phase change materials enhanced with the thermal conductive properties of carbon Unlike a hard plastic gel layer, carbon. Blue is breathable and does not increase the weight of your pillow carbon. Blue is made in the USA. This is our thinnest pillow designed with stomach sleepers and arm-under-the-pillow sleepers in mind Back sleepers and side sleepers that prefer a thin profile pillow may appreciate this as well Its the pillow you never knew you needed. So what else makes this pillow stand out from the rest. Only 225 high - our thinnest versioncarbon. Blue coating with infused carbon graphite particles provides instant cooling relief. Full pillow, rounded on both sides A flat pillow you can flip during the nightcerti. PUR-US certified, 325lb open-cell memory foam made with no scary chemicals. Dense but soft memory foam gently cradles the head and neck. Inner mesh cover offers extra protection. Luxury TE. Nc. EL blend cover for maximal cooling.