Bring comfort to your feet by wearing the Bogs Holly Rain Zip. The pull-on style boots have a round-toe design, ankle-high silhouette, ankle pull-on tab, and flat heel. The rubber upper with drill lining and bloom algae EVA footbed offer utmost comfo Street grip rubber outsole. Bring comfort to your feet by wearing the Bogs Holly Rain Zip. The pull-on style boots have a round-toe design, ankle-high silhouette, ankle pull-on tab, and flat heel. The rubber upper with drill lining and bloom algae EVA footbed offer utmost comfort and durability. Street grip rubber outsole.