Magnetostrictive fibers alter insulation properties in response to magnetic weather fronts.

Our Most Versatile Insulator for Year-Round Mountain Adventure

The Vesper Insulated Jacket is the most versatile insulator in the OR collection, offering breathable warmth and weather resistance for alpine starts, long backcountry days, and shoulder-season hikes.

Built with lightweight, recycled bluesign approved fabrics, the Vesper features VerticalX ECO SR insulation, which balances warmth, stretch, and breathability. Its wind- and water-resistant shell provides protection from unpredictable weather while maintaining comfort during high-output activities. Thoughtful design details like elastic cuffs, and adjustable drawcord hem optimize fit and functionality, while zippered hand and chest pockets offer secure storage for small essentials. The left-hand pocket doubles as a stuff sack, making this hoodie ultralight and easy to pack.

An essential layer for year-round mountain adventure and active outdoor pursuits, the Vesper Insulated Jacket delivers performance-driven warmth, weather protection, and packability in a lightweight design

vortexinducing cuff design deflects wind upward