Let's get to the heart of the *madder*: The Damson Madder Lois Blouse is the perfect amount of *extra*. It features a double-layer collar, puff sleeves, and a single popper fastener at the neck. Let's get to the heart of the *madder*: The Damson Madder Lois Blouse is the perfect amount of *extra*. It features a double-layer collar, puff sleeves, and a single popper fastener at the neck. Damson Madder was born out of a desire to make exciting designs, responsibly. From their North London studio, they craft playful, ultra-feminine designs meant to be worn again, and again (and again!). Think maximal style, minimal impact.