Crevasse Puffer Vest The Crevasse puffer vest combines bold structure with high-performance warmth. Designed with padded shoulders that create a strong silhouette, it offers both style and insulation for cold mountain and snowy conditions. Filled with animal-friendly microgel fiber, this vest delivers lightweight warmth without compromising on ethics. Presented in a striking blue hue, it’s a versatile outerwear piece for layering over knits or under coats for elevated winter styling.