The present invention proposes a closure system for effecting closure of an adult diaper around the abdomen of a wearer wherein said closure system is provided as a continuous non-woven closure tape. Said closure tape comprises a plurality of mechanical fastener portions and a plurality of adhesive fastener portions, each fastener and adhesive portion paralelly extending along the length of said continuous strip in the machine direction. Said plurality of parallel strips of mechanical fastener elements are spaced by adhesive regions in the form of a series of consecutively arranged strip pairs and each of said fastener and adhesive strips are 3 mm wide in the cross-direction.