Bavarian Bar Maid Plus Size Wench Costume - Calgary, Alberta. This costume would be perfect for a wild costume party, Halloween, Oktoberfest or if you work at a bar or restaurant throwing a costume party! This is a Oktoberfest Bavarian Bar Maid deluxe costume. This highly-detailed outfit is a beautiful choice for a fan of Nordic culture! This four-piece Oktoberfest costume includes a dress and petticoat. The bodice of the dress is a faux corset with attached peasant top.