Extra Firm - Mattresses & Box Springs / Bedroom Furniture: Furniture

Perfect Sleeper Cobalt Calm Innerspring - Extra Firm – FOS

Zinus Support Plus 10 in. Extra Firm Tight Top Queen Pocket Spring

The 5 Best Innerspring Mattresses of 2024

This mattress upgrades Posturepedic® Spring mattresses with our most rigorously tested materials. Motion-reducing coils, targeted gel memory foam, and

Sealy Extra Firm Tight Top Innerspring Sofa Bed Mattress and Box Spring

The Hathaway Collection® Mt Bachelor- Mattress World Northwest

Tempflow® UltraFirm™ Original

CAYMANEXTRAFIRMTWIN by Simmons - Beautyrest Harmony - Cayman

Hotel Collection By Aireloom Coppertech Silver 13 Ultra Firm

Beautyrest® Harmony Cayman 13 Extra Firm Mattress

Sealy Posturepedic Plus Ridgecrest 14” Cal King, Firm Mattress