Cold weather in the mountains means you should wear versatile clothing like the Opside women's vest from Rossignol. It can be worn under a waterproof jacket to stay warm in the mountains or on its own during your skiing or hiking adventures. No matter how you enjoy the cool air, the breathable synthetic insulation ensures you stay warm without feeling restricted, helping you regulate your temperature when you start to sweat. The stretchy fabric supports natural movements. Classic fit, close-to-body cut, freedom of movement, elastic material for unrestricted motion. High-performance and lightweight insulation made from recycled materials. The breathable Primaloft® Black insulation, made from 100% recycled plastic bottle materials, keeps you warm and resists moisture. GRS-certified insulation (Global Recycled Standard) for verified recycled content. PFC-free waterproofing. It features a durable water-repellent treatment (DWR) that protects against light showers without using toxic fluorocarbon-based chemicals.