Helix Dawn Core

Available from The Drift when we last checked. Sold from the shop’s own store; the price there is the one that counts.

Try Helix & Other Online Mattresses at Our Seattle Mattress Store The Helix Dawn is Helix's firmest hybrid in the core lineup and the most supportive option for back and stomach sleepers who need a firm, responsive surface. Sitting at around 7.5 to 8 out of 10 on the firmness scale, it uses Helix Dynamic Foam to deliver a surface that pushes back firmly and recovers quickly -- without the slow, conforming quality of memory foam that can allow hips to settle unevenly in back and stomach sleeping