Odlo Essential Ceramiwarm Mid Layer 1/2 Zip - Sustainably made with recycled fibers, this ODLO Essential Ceramiwarm 1/2 Zip midlayer is specially made for training in cold weather, therefore actively warms you and offers unrestricted freedom of movement. A half-length zipper allows you to regulate your body climate individually by allowing you to vent or ventilate effectively if necessary. Reflective details and excellent moisture management make this running top the perfect middle layer for fast winter runs or intensive climbs.