to anyone whos worn both xxx's and 9ks .... how do the sizes match up? say im a 7.5 in the xxx's would i be a 7.5 in the 9ks or would it be a 7? Well lets go back a bit. the CCM Tack did until last year have the narrowest heel counter. If you go with an Easton 900 say it also has a narrow heel counter. For those that have said that the 9K wont work because its wide and the pump does nothing I totally disagree. I have a AA heel and just got mine and am coming from a Custom pair of G35's and the fit is much tighter. (with the bladder blown up of course). I had to get custom XXX for a player on our team with a AAA heel and EE toe and they fit me perfectly and would take them if the owner would give them up.....(not going to happen...LOL). As for the size I am a 9 mens shoe and am in a XXX 6 3/4 (perfect fit) 9K is a 6 1/2 (alittle extra room) G35 is a 6 5/8ths (as above) But still like the 9K best.