Sole separation (SEPS) in shoes refers to the separation of the sole from the rest of the shoe. This can occur due to a variety of reasons, including:

• Improper fit: If the shoe is too narrow, the sole may separate near the ball of the foot.

• High temperatures: Storing shoes in an area with high temperatures can weaken the glues and adhesives that attach the sole to the shoe, leading to separation.

• Wear and tear: Over time, the sole and shoe material can weaken and collapse, leading to separation.

To prevent sole separation, it is important to take care of your shoes and use them appropriately. This includes:

• Proper fit: Make sure your shoes fit properly and provide enough space for your feet.

• Storage: Store your shoes in an area that is room temperature or below to prevent weakening of the glues and adhesives.

• Replacement: If your shoes are old or show signs of wear and tear, it may be time to replace them.

• Activity-specific shoes: Use shoes that are designed for the specific activity you are engaging in to prevent unnecessary wear and tear.

If sole separation does occur, it is possible to reglue the sole back onto the shoe using specialized adhesives.