$_product->getAttributeText('shoes_model'); // returns nothing

$_product->getAttributeText('brand'); // returns brand name

$_product->getShoesModel();

$_product->getData('shoes_model');

$attribute = $_product->getResource()->getAttribute('custom_attribute_code');
    if ($attribute)
    {
        echo $attribute_value = $attribute ->getFrontend()->getValue($_product);
    }

<?php $_product = $this->getProduct(); ?>

<?php echo $_product->getData('attributename'); ?>