New with tags Product Details: Lightweight Reactor is intelligent insulation that adapts to your activity level for the right breathability & warmth for what you're doing. 4-way stretch construction moves better in every direction. Anti-odor technology prevents the growth of odor-causing microbes. Woven overlay on chest for added durability & protection. Secure, zip hand pockets. Dropped hem for enhanced coverage. Reflective details for low-light runs. AT6-316-2