What?
This is a textile or clothing.
Where?
Textile recycling banks – keep them paired by tying laces together.
Some Civic Amenity Sites accept reusable footwear as part of the textile collection. Check the waste services locator on this site.
General Tip
Barely used and undamaged footwear can be donated to charity shops for resale. Get more information here about Irish Charity Shops: https://www.icsa.ie/