Helix mattresses come in 3 basic sizes: 12″, 14″, and 15.5″, depending on the price tier. Helix offers 7 distinct mattress designs that come in 3 different levels, each with an increasing amount of material.
They also sell a kids’ mattress that only comes in a twin or full sized option.
Here is a quick look at the dimensions of common Helix mattress sizes.
Twin: 38×75″
Twin XL: 38×80″
Full: 45×75″
Queen: 60×80″
King: 76×80″
Cal. King: 72×84″
The table below lists the individual thickness of each Helix mattress as well as which mattress styles are available in each size.
| Mattress | Thickness | Twin | Twin XL | Full | Queen | King | Cal. King | Split King | Short Queen | RV King |
|---|---|---|---|---|---|---|---|---|---|---|
| Helix Standard | 12″ | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes |
| Helix Luxe | 14″ | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes |
| Helix Elite | 15.5″ | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No |
| Helix Plus | 11.5″ | Yes | Yes | Yes | Yes | Yes | Yes | No | No | No |
| Helix Kids | 8″ | Yes | No | Yes | No | No | No | No | No | No |
