To see if an item is in stock at a store nearby to you, simply select the size you want, and add your product to the cart.
In the checkout stage, proceed to the Shipping step. Select the "Click and Collect" option, and press the "Find Store" button. Then enter your Postcode or Suburb, and this will display the nearest stores to you that have stock available.
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.