[This review was collected as part of a promotion.] Recommend sizing down unless you prefer a bit of an oversized fit.
Typically wear a Large but the fit was way roomy in torso area. Not terrible but it is extra fabric I don’t prefer.
Other than the sizing, the material is super light weight and does not hold on to sweat. No chafing and feels like nothing is there. The speckled reflection is a nice add as well for oncoming traffic when road running.