A good pair of rubber boots is designed to handle rain, mud, wet grass, standing water, and demanding outdoor conditions. But rubber boots do not last forever. Over time, some boots develop small surface cracks, split around flex points, become stiff, or start leaking even when the tread still looks usable. For hunters, anglers, farmers, and outdoor workers, cracked rubber boots are more than a cosmetic problem. Once the outer material loses its flexibility or develops a deep split, waterproof protection can quickly disappear. The frustrating part is that many rubber boots fail earlier than they should because of improper cleaning, storage, drying, or exposure to environmental conditions that gradually…