Features: -Insulating -Resistant heel This inner boot can be used with the following boot models: - Hip-Hop (A8288) - Rock (A8357) - Cortina (A8298) - Gummy (A8368) - Bear (A8370) - Charm (A8379) - Tom (A8381) - Bubblegum (A8390) About the brand Acton is at the heart of your life, where the action is. Your daily life inspires theirs designers; from the moment you put your boots on until you take them off in the evening. Their promise is to offer you products designed for your reality, which will improve your comfort every minute, every day.