All year. Hot or cold. You lace up your shoes and get out there. On the cold days, this adidas running jacket keeps you comfortable. CLIMAWARM traps heat and releases sweat for a warm, dry and focused performance. Ventilation at the back sheds heat as you warm up, and 360-degree reflectivity increases low-light visibility. Zip pockets at the sides and chest secure keys and other essentials. CLIMAWARM has insulating materials that trap warmth for optimal body temperature. Stay dry inside with sweat-wicking fibers that keep skin dry and comfy. Dial up warmth retention with first layer comfort to boost heat.