Robust cloth can be bought from the following merchants: * Fioravanti in Flotsam's town square (also sells the diagram) * Vilmos Bartok in Flotsam * Sendler in Lobinden * Mottle outside Vergen * Myron in the Kaedweni camp (also sells the diagram) * Relic peddler in the Kaedweni camp * Felicia Cori in Vergen and Loc Muinne (also sells the diagram) * Polycarp of Rinde in the Order of the Flaming Rose camp * The Incredible Lockhart in Loc Muinne (also sells the diagram) * Falas in Loc Muinne