Meanings of consider downsizing in English

For sport climbing, consider downsizing two to three sizes below your street shoe.

One possible solution is to consider downsizing before retirement.

DOWNSIZE If you can't move home then consider downsizing from the apartment you're in and bank the cost difference.

If traditional schools find themselves undersubscribed, then perhaps they should consider downsizing, or catering to the needs of those who have chosen to go elsewhere.

We are now considering downsizing.