Meet your new favorite layer: Damson Madder's collarless Vanessa Denim Jacket. It's designed for versatility, so consider sizing up if you're wanting to layer underneath. Meet your new favorite layer: Damson Madder's collarless Vanessa Denim Jacket. It's designed for versatility, so consider sizing up if you're wanting to layer underneath. 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.