Odlo two in one helios ladies jacket the perfect jacket for running is the odlo two in one helios jacket which is constructed with an extremely light weight fabric to assist in keeping you cool and dry and due to its logic windproof technology it allows you to also be protected against windchill a zipped up front is styled and features zipped under arm sleeves so this jacket can be transformed into a sleeveless jacket one pocket is designed of which this jacket can be packed away sufficient