King Koil Mattress

King Koil SmartLife Mattress in Las Vegas and St. George, UT

The King Koil SmartLife Lily Medium memory foam mattress combines firm support with plush comfort to deliver an incredible sleeping experience night after night.

Body Sensing Technology

Thanks to the SmartLife body sensing technology, the high-density mattress adapts to your body’s unique shape. The contouring mattress ensures optimal comfort all night. Meanwhile, the HypurGel top layer matches your movements to deliver a better quality sleep.

SmartLife App for Premium Relaxation

Alternatively, when linked to the SmartLife App, the mattress’s Relaxation Mode enables you to enjoy a top to toe massage. It brings spa-like massage directly to your home on a daily basis. Moreover, the premium quality foam encasement is sure to maintain those winning attributes for 25 years or longer.

A Royal Mattress Brand

King Koil is one of the most reputable brands in the beds and mattresses industry. The SmartLife Lily Medium will ensure that your bed is fit for royalty.

King Koil SmartLife Mattress Sizes

The 12” mattress is available in queen, king, or California king sizes. It’s an excellent choice for couples of all sizes. Parents will enjoy the little extra space for when the kids sneak in during the early hours.

Available Bed Sizes