Love it! Feels good next to the skin so perfect over summer gear and so lightweight you wont notice it layered over your winter kit. Packs away really really small, so ideal for carrying in unpredictable weather, it does come with it’s own stuff sac. You will get aprox.one hour protection from the rain depending what you are out in, before you would start to experience some dampness around seams, but it will dry really quickly, so excellent for showery British summers. Get outside whatever the weather this jacket will not ruin the running experience.