Serta iComfort Collection

74.5" L x 38" W

Best for kids and limited sleeping space.

79.5" L x 39" W

Best for college students, single adults living in a small space and those with a split king adjustable bed frame.

74.5" L x 54" W

Best for growing kids, young adults, couples who don't need a lot of space to move around and guest bedrooms.

79.5" L x 60" W

Best for couples and single sleepers who like space to roll around.

79.5" L x 76" W

Best for couples who like their own space to spread out and parents who co-sleep with children and room for pets.

83.5" long x 72" wide

Best for those with longer legs and parents who co-sleep with children and room for pets.