Ecoalf has been in the sustainability game since long before it was a buzzword. Since 2009, the Madrid-based B Corp has invested in the research and development of the highest-quality recycled materials on the market. So naturally, when asked to collaborate, we said yes. This five-piece capsule reimagines cold-weather essentials the goop way—with classic colors, feminine flourishes, and an ease that makes layering feel like second nature.