Beautyrest® World Class™ Cassira 13.5" Hybrid Medium Tight Top Full Mattress

Product Overview

Powered by 1000 Beautyrest® Pocketed Coil® technology for advanced support and motion separation, Cassira adds firm gel foam, double World Class Relief™ HD (High Density) foam, and ActiveResponse™ MAX memory foam for deep, firm comfort with adaptive pressure relief. Combined with Infinicool® PCM (Phase Changing Material) fabric, Cassira keeps you cool, supported, and refreshed every night.

Premier Motion Separation and Hybrid Support

Featuring 1000 Beautyrest® Pocketed Coil® technology for advanced individualized support and motion separation—combined with a smooth hybrid surface for a contouring, pressure-relieving sleep.

Deeper Pressure Relief with Elevated Comfort Foams

World Class Relief™ HD (High Density) foam, ActiveResponse™ MAX memory foam, and luxurious gel foams work together to provide adaptive, deep pressure relief and body-conforming comfort.

Cool-to-the-Touch Hybrid Comfort

InfiniCool® PCM fabric helps create a cool, breathable sleep surface that actively manages heat and promotes airflow throughout the night.

Cleaner, Healthier Hybrid Sleep Surface

Engineered with comfort layers and breathable materials to maintain a fresh, clean, and hygienic sleep environment.

100 Years of Beautyrest® Hybrid Innovation

Celebrating a century of groundbreaking innovation, Beautyrest® World Class™ hybrid blends the best of memory foam and Pocketed Coil® support for a luxurious, contouring, and restorative sleep experience.

Cooling technology

Low motion transfer

Breathable construction

Number of Coils: 627

Compatible with adjustable bases

Edge support

Meets Federal fire retardant

CertiPUR - US certified

Made in Canada

*Mattress only, all other products sold separately. Images may not depict actual size.