Does Purple offer a Twin size? Yes! We offer a twin size in a selection of our mattresses. Find those, HERE. We also offer a Twin XL size in our mattresses, which are slightly longer than Twins. Find our Twin XL options, HERE. Related articles What is a Split King? Is there an adjustment period for the Purple® Mattress? I need a mattress that will help prevent pressure sores. Will your mattress help? Do you have the ability to make custom sizes? Which sizes are offered in the Purple® Mattress?