EIT gloves experience

Does anyone have experience with gloves based on the Elastic Interface EIT one-piece 3D palms? Q36.5, DeMarchi, DHB, Giro all have models using this palm, which is basically supposed to be a sort of chamois for the hand :smiley:
What I would particularly like to know is whether one needs to size down or not. Q36.5 and DeMarchi both have sizing charts for these gloves that suggest going down one size compared to one’s usual size in traditional gloves, which makes me wonder if this is because the EIT palm itself is sized more generously. But DHB (Wiggle) have the same sizing as for non-EIT regular gloves, even though some Wiggle reviews mention that sizing down might be a good idea.