The Rossignol Opside Hoodie Warm men's jacket is a versatile insulating layer you can rely on during the coldest days. It can be worn under a ski jacket for additional warmth or as a standalone layer while hiking and cross-country skiing. Breathable synthetic insulation provides warmth without unnecessary bulk and helps regulate temperature as your body starts to warm up. Stretch fabric and articulated sleeves support natural movement, while the integrated hood further enhances comfort.