Shamrock Acrylic Beanie Hat - Acrylic Beanie Hat In Green With White Shamrock Here is a great way to show your Irish pride. Great for St Patties parade, or just great for St Patrick day. Awesome for st.patrick's day or any time you want to show your Irish heritage. One Size Fits All - Adult Size. This beanie will keep you warm when its cold and will keep you lookin' cool.