Kin By Tuft & Needle Medium Firm 10" Adaptive Foam Queen Mattress in a Box, Cooling Pressure Relief, Balanced Support, 100 Night Trial, Fiberglass-Free, CertiPUR-US, 10-Year Limited Warranty

We last tracked this at $406.68 (as low as 42% off list price) on June 22, 2026. Amazon deals rotate fast — this one is no longer active, but similar deals come back often.