WooCommerce Enable Product Slider and Direction Nav. This CSS code will make your slider vertical aligned: https://gist.github.com/zeshanshani/e6214c0bc84789374fec3efa5b7bc141

wc-enable-product-slider-nav.php

<?php

// 
// CSS code located here will make your slider vertical aligned: 
// gist.github.com/zeshanshani/e6214c0bc84789374fec3efa5b7bc141
// 

// Enable WooCommerce Flexslider options
add_filter( 'woocommerce_single_product_flexslider_enabled', 'za_enable_woocommerce_product_slider', 10 );
function za_enable_woocommerce_product_slider() {
  return true;
}

// Update WooCommerce Flexslider options
add_filter( 'woocommerce_single_product_carousel_options', 'za_update_woo_flexslider_options' );
function za_update_woo_flexslider_options( $options ) {
  $options['directionNav'] = true;
  return $options;
}