US Patent 11399643 Expandable fitted bed sheet

An expandable fitted bed sheet for fitting with mattresses of different sizes. In example embodiments, the expandable fitted bed sheet is reconfigurable between an unzipped or enlarged configuration for fitting with a first mattress comprising a first mattress size and a zipped or reduced configuration for fitting with a second mattress comprising a second mattress size. At least one closure feature is provided for providing adjustability to the fitted bed sheet between the enlarged configuration and the reduced configuration.