//show attributes after summary in product single view
add_action('woocommerce_single_product_summary', function() {
 //template for this is in storefront-child/woocommerce/single-product/product-attributes.php
 global $product;
 echo $product->list_attributes();
}, 25);

<?php
/**
 * Product attributes
 *
 * Used by list_attributes() in the products class.
 */
 
// Instead of showing the attributes in a left-right table,
// we show them as columns with the name above each value.
 
 
if ( ! defined( 'ABSPATH' ) ) {
 exit; // Exit if accessed directly
}
 
$has_row    = false;
$attributes = $product->get_attributes();
 
ob_start();
 
?>
<div class="product_attributes">
 
 <?php foreach ( $attributes as $attribute ) :
 
  if ( empty( $attribute['is_visible'] ) || ( $attribute['is_taxonomy'] && ! taxonomy_exists( $attribute['name'] ) ) ) 
   continue;
 
  $values = wc_get_product_terms( $product->get_id(), $attribute['name'], array( 'fields' => 'names' ) );
  $att_val = apply_filters( 'woocommerce_attribute', wpautop( wptexturize( implode( ', ', $values ) ) ), $attribute, $values );
 
  if( empty( $att_val ) )
   continue;
 
  $has_row = true;
  ?>
 
 <div class="col">
  <div class="att_label"><?php echo wc_attribute_label( $attribute['name'] ); ?></div>
  <div class="att_value"><?php echo $att_val; ?></div><!-- .att_value -->
 </div><!-- .col -->
 
 <?php endforeach; ?>
 
</div><!-- .product_attributes -->
<?php
if ( $has_row ) {
 echo ob_get_clean();
} else {
 ob_end_clean();
}