Commerce Simple Hierarchical Select

The SHS module is a very useful tool for improving Drupal’s core functionality when using taxonomies that have hierarchy. In particular, it provides a better UI for entity fields (for taxonomies), and for exposed filters in views (for taxonomies).

However, Drupal Commerce products are not content types. If you have a taxonomy field on a commerce product, with hierarchy, SHS is not available in Views to create the desired exposed filters.