A fitted cornerless bedclothing item such as a sheet, mattress pad, anti-allergy cover, blanket or coverlet includes a top portion, side portions and end portions, and elastic segments stitched to edges of respective side and end portions. One or more elastic bindings are provided at lower edges of the side and end portions to cause the tops of the elastic segments to be positioned below the respective upper corners of the mattress on which the bedclothing item is mounted, such that no ears or pockets are formed when the bedclothing item is mounted on mattresses of at least two different sizes and/or thicknesses. The elastic segments are made of knitted or woven elastic filaments, such as SPANDEX.RTM. fabric, and can be shaped to have a straight lower edge and a curved upper edge, the curved upper edge advantageously approximating an end of an ellipse.

A reversible bedcovering assembly, including a main bedcovering having an inward section surrounded by an edge section and at least two side portions attached to the edge section and depending therefrom when installed on a mattress or bed. Each side portion is adjacent at least one other side portion and forms a void therebetween. A gusset insert is provided to substantially fill the void between adjacent side portions, each gusset insert having a top portion and a drape portion attached thereto. Each gusset insert is attached to the main bedcovering adjacent the edge section.

A water bed sheet structure is arranged to accommodate extended configuration sizes of water bed mattresses, wherein the sheet structure includes overlapping at first ends of first and second sheets selectively securable together utilizing an elongate row of fastener structure.

A combination top and bottom sheet construction. The bottom sheet is comprised of a main section, a pair of side sections, and a foot section. A top sheet includes a main section and a foot end terminal edge. In order to secure the top sheet to the bottom sheet, a pinch stitch is formed transversely across an intermediate portion of the bottom sheet. In particular, a double run formed from the bottom sheet is gathered and the foot end terminal edge of the top sheet is inserted within the double run and the composite double run and foot end terminal end are stitched to form the pinch stitch. An elastic seam is connected about the perimeter of the bottom sheet so as to make the bottom sheet a fitted sheet. Disposed within the lower corner areas of the fitted bottom sheet is a series of bottom panels that are designed to extend diagonally across the lower corner areas of an underlying support structure such as a mattresses.

A fitted sheet including a top rectangular fabric portion 12 having at least four edges, at least two side rectangular fabric portions including a first side rectangular fabric portion and a second side rectangular fabric portion, each of the at least two side rectangular fabric portions including a first edge, a second edge and a third edge, the first edge of the at least two side rectangular fabric portions being common with a corresponding one of the at least four edges, the second edge of the first side rectangular fabric portion being common with the second edge of the second side rectangular fabric portion and at least one triangular fabric portion including a first edge, a second edge and a third edge, the first edge of the at least one triangular fabric portion being joined to a portion of the third edge of the first rectangular fabric portion 14 and the second edge of the at least one triangular fabric portion being joined to a portion of the third edge of the second rectangular fabric portion 20. Further at least one triangular portion includes an opening configured to accommodate a hose connection to a mattress.