ISAAC by RUDSAK delivers serious winter performance in a clean, modern silhouette. Crafted from a stretch nylon blend and insulated with 700+ fill-power RDS-certified duck down, this quilted puffer offers dependable warmth without excess bulk. A protective hood with detachable faux-fur trim and a high padded collar enhance coverage, while sleek polyurethane detailing adds a subtle technical finish. Rated to -25°C, ISAAC is built for deep winter with a polished, city-ready edge.

