The Damson Madder Shell Blouse features a flattering fit with a V-neck and short puff sleeves. The Damson Madder Shell Blouse features a flattering fit with a V-neck and short puff sleeves. 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.