BrewDog Vs Weihenstephan India Pale Weizen kicks off a new direction for our collaborations. We took a simple concept (by our standards) and teamed up with the oldest brewery in the world to brew a mash-up beer using the signature styles of both breweries. India Pale Weizen has classic base hefeweizen aromas and flavours of banana and clove, with distinctive haziness. Layered on top of this is a tapestry of US citrus hop character. India Pale Weizen is a perfect symbiosis of traditional and modern brewing.