Carbon Lab Cleaning Foam. The cleaning agent to get your sneakers clean again. The foam is immediately ready for use and therefore suitable for all materials and sneakers. Shake the can before use, hold it vertically upside down and spray the foam onto your Carbon Lab Cleaning brush. Clean your sneakers by brushing your sneakers in round movements. Treat your sneakers with the damp Carbon Lab Microfiber cloth. Why Collonil Carbon Lab? Because Outsole thinks it’s important that you go for quality and not for hype. Collonil has been the market leader in shoe care for years and thoroughly tests all its products on different sneakers. The ecological footprint is concerned as well: Carbon Lab is based on safe organic ingredients.