Whether you are adventuring on the trails, mountains or street, the Helly Hansen Sirdal women's sleeveless insulated vest is a must-have piece for any outdoor enthusiast. Filled with a recycled ECOLoft™ Air SR Insulation, this garment provides optimal warmth and the synthetic insulation also prevents clumping when wet. With a ripstop outer fabric for durability and a DWR finish, this jacket is perfect for wearing on its own or layering with your favourite shell. Plus, its lightweight and relaxed fit enhances mobility so you can move and explore nature in changeable conditions.