We regularly get requested about bringing an umbrella being an accessory if it rains, but that is a lousy idea. Chances are you will see a 10-working day forecast before leaving for Oktoberfest in Munich and when it appears like rain then we suggest bringing a small plastic travel poncho. https://tedomarket.com/product/shoes-2/mens-shoes/boots-mens-shoes/snow-boots/male-suede-cow-leather-boots-designer-men-casual-footwears-chelsea-boots-ankle-boot-slip-on-shoes/