Their website has all the details you need to piece something together:
STYLE: Belgian-style Witbier
Boulevards summer seasonal is our interpretation of a classic Belgian witbier. ZŌN (Flemish for sun) combines the subtle flavors of coriander and orange peel with other traditional ingredients to create a delightful, refreshing summertime brew.
AVAILABILITY: April through August; bottles and draught
INGREDIENTS: Pale malt, unmalted soft red winter wheat & malted white wheat. Magnum and Simcoe hops
STARTING GRAVITY: 10.8 degrees Plato
ALCOHOL: 3.5% by weight, 4.4% by volume
BITTERNESS UNITS: 12 IBUs
AVERAGE EBC COLOR: 7.4