The Casper mattresses are available in most sizes and have standard dimensions. Mattress thickness varies from 9″ to 12″, depending on the model. More advanced hybrid Caspers are not available in twin sizes.

Here is a quick look at the dimensions of common Casper mattress sizes.
- Twin: 37.5×74.5″
- Twin XL: 37.5×79.5″
- Full: 52.5×74.5″
- Queen: 59.5×79.5″
- King: 75.5×79.5″
- Cal. King: 75.5×79.5″
The table below lists the individual thickness of each mattress, as well as which mattress styles are available in each size.
Mattress | Thickness | Twin | Twin XL | Full | Queen | King | Cal. King | Split King |
---|---|---|---|---|---|---|---|---|
The Casper | 9″ | Yes | Yes | Yes | Yes | Yes | Yes | No |
Casper Original | 10.5″ | Yes | Yes | Yes | Yes | Yes | Yes | No |
Casper Original Hybrid | 10.5″ | Yes | Yes | Yes | Yes | Yes | Yes | No |
Casper Snow | 12″ | No | Yes | Yes | Yes | Yes | Yes | No |
Casper Wave Hybrid | 12″ | No | Yes | Yes | Yes | Yes | Yes | No |
Casper Nova Hybrid | 12″ | No | Yes | Yes | Yes | Yes | Yes | No |
Casper Select | 12″ | No | No | Yes | Yes | Yes | Yes | No |