The Men's Atom Jacket from Arc'teryx is a synthetic jacket for men that can serve as an intermediate layer or freestanding jacket. Coreloft™ Compact insulation retains heat when the jacket gets wet and can withstand repeated packing and unpacking. The Tyono™ 20 head fabric is lightweight, soft and durable, resisting wind and water. The jacket has side panels with stretch fleece that improve ventilation and freedom of movement.\n\n