A slipcover applied over a cushion or pillow for outdoor use using a durable textured fabric made of a combination of synthetic blend fibers engineered to stretch without using elastomeric or hyper-stretch yarns, each slip cover defining an envelope having an upper opening within which a cushion is inserted, the slip cover having a first and second closure flap which are applied over the upper opening, sealing the cushion within the envelope, the first and second enclosure pocket applied one over the other, or vice versa, providing the slipcover with two different selected smooth exposed outer surfaces.