Metzineres. Environments of Shelter for Womxn who Use Drugs Surviving Violences is the first integrated harm reduction program from Catalonia exclusively for women. With holistic and individualized scopes tailored to the particularities of anybody, it offers direct and immediate access to flexible proposals in accordance with women´s expectations, disquietudes, curiosities, interests and needs. Throughout an innovatively daring grassroots intervention model, unfolded in Environments of Shelter, sustained by community-based strategies anchored in human rights and gender mainstreaming, that prove reliable, pragmatic, cost-effective, where every woman is a protagonist.