Keep warm on those cold day runs with the ASICAS METARUN LS Top. It's made from a wool knit that's been specially treated to lock in warmth as well as increase your mobility - so you can focus on your running goals. This slim-fit, long-sleeved top boasts reflectivity at the back for added visibility while you're on the move at night time, or in poor light. The ASICS spiral is also reflective.