Dry is good this is the piece that castelli pro riders requested for those inbetween conditions where the flanders baselayer is too warm while the core mesh is just too cool like spain in february or belgium in april yoursquore not looking for warmth from your base layer just something to move the moisture away from your body and help your race jersey perform castellis 3d mesh fabric creates dead air space next to your skin while the polyester capillary action moves sweat away