Serta Comfort Scale - US-Mattress

93 rows · Serta mattresses with a Comfort Scale rating of 3-4 are medium-firm. They generally work well for back and stomach sleepers who like something on the firm side, but not too hard. Mattresses in this comfort range provide a good balance of rigid support and padding, but don't provide enough contouring for side sleepers.…

Serta - Sam's Club

Serta Sizes include Twin mattress (39” x 75”), Twin XL mattress (38” x 80”), Full (54” x 75”), Queen mattress (60” x 80”), King mattress (76” x 80”), and California King mattress (72” x 84”).…

Mattress Comfort: How to Choose a Comfortable Mattress

Directly influenced by the materials used to enhance and encase the internal support system of the mattress, the most widely recognized mattress comfort levels refer to the way the sleep surface feels against the body. Most retailers and manufacturers use a mattress comfort scale with varying levels of rigidity typically ranging from soft to firm.…