There are a few ways that you can check if your item is available at a store near you!
From the product page, select the size you want, and click the "Find This Item In Store" button, and enter your Postcode or Suburb. This will display the nearest stores to you which have stock available.
Also from the checkout page, you can click the "Collect In Store" option and enter your postcode.
If you still want to be on the safe side and make sure your items are available in-store, you can contact your nearest store here.