title: How to check if the product is downloadable?
body: <p>I would like to check if the product is downloadable and has no weight so I can check it besides if the product isSaleable to solve a bug.</p>
  
  <p>This is the check that I want to add condition to it</p>
  
  <pre><code>&lt;?php if ($_product-&gt;isSaleable()): ?&gt;
  </code></pre>