Your fitted sheet is worn out but the flat and pillowcases still new! It's very common that fitted sheet wears out much sooner than flat sheet and that is due to that fact that fitted sheet is subjected to body and feet friction much greater than flat sheet. Our Top Split California King Fitted Solid Sheet 100% Cotton 608 Thread Count gives you the option to just replace only what you need.
Dimensions
Top Split California King Fitted Sheet 72 inches wide X 84 inches long with 6 corner pockets made to fit up to 16 inches deep.