Reviews indicate how large these sizes run. My husband wears medium in HEAD running tees but this size was huge in the Power Hood. I recommend ordering one size smaller than your usual size. However, the jacket is fantastic and looks stylish and sporty. The perfect jacket for running on a cold day as it has enough space to keep keys and cards safe (there is a zipped pocket on the chest). There's also a great layer at the bottom of the sleeves to slip your thumbs through.
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