Sly Old Fox is a 4 berth, 58ft cruiser style narrowboat. The hull was built in 2018 by Nick Thorpe and the fit-out was done in 2021 by Clearwater Boats. She features a reverse layout with the galley at the stern, a saloon with sofabed and stove, a walkthrough bathroom with shower, toilet and vanity basin, and a fixed double bed at the bow.