I researched many different mattresses before settling with this one, and quite simply this is the best one out there.  No off gassing, great soft tactile feel and definitely a breathable surface. Our nursery isn’t set up yet, but I will update when we have it all done, I anticipate this is going to work 
beautifully in the crib we’ll be using - in the mean time, it just fits perfectly in the nook where we’ll have our crib initially