Its usage of natural Talalay latex and coils leaves the mattress with developed-in breathability and a medium-company sense, which accommodates just about any sleeping place and overall body form. Birch utilizes 100% natural Talalay latex tapped through the Hevea Brasiliensis rubber tree from plantations it monitors to ensure sustainable practices. https://www.acmepackingcompany.com/users/napureflex