The duo that keeps on cleaning. The Essential Kit is a trusted pairing of their cleaning must-haves that we always keep on hand. The 4oz. Premium Deep Cleaning Solution effectively cleans + conditions all materials with a naturally-derived formula. Paired with their Standard Brush, crafted from durable, firm bristles perfect for midsoles. Fit & Design: Safe on all materials Cleans and conditions Stiff bristles Great for leather and rubber