Cambridge 100 HD Foam Hybrid The perfect combination of comfort and support. This mattress is the firmest of our hybrid smooth top construction. Simple in design and style allow this bed to offer the best of both worlds, comfort and design. • Firm Support • Single sided no flip design • 1000 individually wrapped coils with 33% more back support steel in the center • Heavy duty foam encased seating edge • Profile 13.5” • Best for back and side sleepers • HS 1.5 – Super HD 1.8 lbs foam density • Frost fiber cool touch sleep surface • Squeak-free 11 slat posturized Amish crafted nailed foundation • 15-year non=prorated warranty for 1” impressions