GN softs have been a little smaller fitting than average for a couple of years. I'm guessing the pad you are comparing them to is an older model?
I also purchased the oblivion test pads from the ebay outlet and thought the same.My quantum elite pads are sized as mens right hand yet the oblivions are medium right hand but are sold as mens right hand?? The knee locater doesn't feel correct yet the pads do seem to be the same size in height.