Shoe expansion spray 200ml. First, shake well and then apply Calzanetto Allarga Scarpe to the part of the shoe that you want to soften and expand. Place a larger shoe expander insert in the wet shoe, which will apply pressure to the treated parts during drying. Active ingredients, with antiseptic properties, disinfect the inside of the shoe, leaving a pleasant smell. It is recommended that Calzanetto Allarga Scarpe be applied to the inside of the shoe, especially for sensitive shoe leather.