I have the new Level Six Hero Short Sleeve Semi-Dry Top and I think it’s great! The light neoprene gaskets are super comfy and keep almost all water out. If you roll you will get a little water in there but not much at all. The material is very comfortable and I’m sure is quite durable (I’ve only had it a few weeks, but the drytop I’ve been using is amazing in the durability aspect). The cinch system at the waist is great! I’ve never had tops that tighten up as well as this year’s line of L6 ones. Super tight and waterproof. A great pocket, logos, and colours make this one great looking as well as amazing performance on the water.
I’ve never used the IR top, so I can’t give you a comparison on that one.
Hope that helps