The Arc'teryx Beta Insulated Jacket combines advanced insulation with durable weather protection for alpine and cold-weather activities. Featuring Coreloft synthetic insulation, it delivers dependable warmth even in damp conditions. The jacket's Gore-Tex shell provides waterproof and windproof performance, while its articulated design ensures freedom of movement. Thoughtfully built for layering, it is ideal for mountaineering and technical outdoor pursuits where both insulation and weather resistance are critical.