Layer up for speed. With bold Hero graphics honoring our race legacy, the men's Rossignol Hero Mid Layer Stretch Jacket is a high-performance fleece made for wearing under your ski jacket. Stretch fleece offers full mobility and distraction-free comfort. HeiQ advanced heat regulation adjusts to your body temperature for enhanced comfort throughout the day. Regular Fit Cut for a classic fit with a little extra room for comfort, allowing for freedom of movement and layering Four-Way Stretch Performance fleece with the highest level of stretch to move with your body for increased comfort, mobility and a natural range of motion Heat Regulation HeiQ Smart Temp technology improves heat regulation by adjusting to changing body temperature. It helps you cool down when you heat up and slows heat loss as you cool.