AKU Shoe Care SprayAKU waterproofing Shoe Care Spray is designed to enhance oil and water resistance of nubuck, suede and leather footwear without altering the properties of the material. Manufactured from natural compounds, it is environmentally safe and easy to apply to create a protective barrier that repels water and oil to revive the colour and improve the longevity of your hiking, climbing or military boots. Simply spray on clean and dry footwear and leave to dry