Summer marathons mean winter training this mens running vest warms your core as you log cool weather miles the jacket wicks away moisture from your skin and it has a special pocket that keeps your house key dry as you work up a sweat lightweight and comfortable its finished with a shiny woven insert on the front plus reflective detailsclimalite fabric sweeps sweat away from your skinsweat guard pocketfull zip with stand up collarshiny woven front inserthanger loop on backreflective deta