comfortable, nice feel to the material.  I ran in it on a cold day.  I stayed warm, but not wet.

My only objection is I bought a large when I should have bought a medium BUT that''s only if you want a tight fit.  I wear this over my running shirt so it is comfortable - if I wanted to run in it alone I''d prefer the tighter fit.  Ran in it last night, over my running shirt, 50 degrees outside and I was comfortable the whole 4 miles. Holds the sweat, keeps you cool, looks great, feels wonderful - going to buy some more.