Adjusta-Fit® Cotton-Poly Open Front Cutback SheetThis stable sheet features the "Original" Adjusta Fit System, which allows you to customize the fit. Poly cotton sheets are durable and absorbent with generous depth for full coverage. This sheet functions as a liner in transitional weather as well as a show cover when on the road. Made of 65% cotton and 35% polyester these sheets are cool in the summer and breathable.