Featherweight down vest: packs down small, 90/10 thermal vest with super lightweight yet stable Pertex Quantum outer material. Keeps your torso warm when the temperatures sink. The primary material features eco-friendly, Bluesign certified manufacturing; down is certified in accordance with the Responsible Down Standard (RDS). This product is manufactured with Eco Finish and is eco-friendly, water repellent and fluorocarbon-free (PFC-free). Green Shape is your Vaude guarantee for environmentally-friendly products, made from sustainable materials, resource-efficient manufacturing and fair production.