You wouldn't dare step out into the rain with a cotton blazer on would you? adidas has you covered with their weather-ready blazer from their Consortium sub-label. It's the ideal jacket when you're traveling and unpredictable weather looks like it'll be invading your itinerary.
The jacket is made from a water-resistant three layer Gore-Tex shell with fully-taped seams to help keep the rain away. It also has underarm ventilation to keep the jacket breathable and tonal wood buttons and mesh pockets add a finishing touch and necessary utility to what's bound to be your go to business blazer. Available in black for $455 at Haven.