I’ve worn the skate only once, but from my experience so far I would say it’s nearly identical to the NLS1 in terms of the fit. I had the exact same experience when I first purchased the NLS1 in terms of out of the box, not baking them and just feeling like I could wear them all day long with 0 pain. The only difference I feel they are a little bit more comfortable with the additional of the gel padding on the ankle bone. Other than that, its nearly identical. If you have the NLS1 and like them, I would say you could transition to these with no problems at all. I’m not much of a review guy, but I hope that helps! Lol