Moncler Nyvalin Shirt Jacket is a modular 3‑in‑1 outerwear piece that combines a checked flannel overshirt with a removable down‑padded gilet for versatile layering. Wear it as a complete layered jacket, as a checked overshirt, or as a separate down gilet for adaptable warmth and style. Key attributes: Beige | Brown | Wool blend | Down insulation | Detachable inner gilet | Detachable outer overshirt | 3‑in‑1 modular construction | Snap‑button and zip fastenings | Multiple pockets | Pointed collar | Checked flannel pattern | Flap chest pockets | Side pockets | Horizontal boudin quilting on gilet | Padded hood on inner gilet | Signature Moncler logo patch | Composition & care: Outer (overshirt): 48% polyester, 34% wool, 18% acrylic | Inner gilet shell: 100% polyester | Lining: 100% polyester | Filling: 90% down, 10% feather