COLLONIL Impregnation Spray for impregnation and refreshment for leather. Brown 398 Spray for impregnating and refreshing the colors of shoes made of nubuck, velour and suede. It contains a UV filter that allows you to preserve vivid colors. Recommended for footwear with High Tech, Gore-Tex, Sympatex membranes. It provides long-lasting protection against moisture and dirt. Prevents snow and water stains.