8″ Signature Sleep Virtue Medium Encased Coil w/ Charcoal Infused Memory Foam Hybrid Mattress (Queen) $119 & More + Free Shipping By admin | November 22, 2022 12:28 am EST 0 Comment Wayfair has 8” Signature Sleep Virtue Medium Encased Coil with Charcoal Infused Memory Foam Hybrid Mattress on sale for $118.99. Shipping is free.Also Available: Twin $77.99 Full $113.99 King $153.99