Extremes of temperature will dry and crack the rubber, especially if a silicone spray is not used on a regular basis. It is best to stop thigh length boots from folding over.

How do I stop my wellies from cracking?

Store your boots in a cool, well ventilated place, away from strong light. Do not leave them on a radiator or boiler to 'dry' – or outside in the cold. Varying temperature will dry and crack the rubber, especially if a protective spray is not used on a regular basis.

Why do my wellies keep splitting?

Boots in the boot? - It's always convenient to leave your wellies in the car, but extreme temperatures are harmful to the rubber – drying and cracking can occur especially if you haven't used a silicone spray. It's a good habit to store your boots by the door outside of the not-so-hot and not-so-cold months.