After having a lot of downturned, performance shoes, I opted for a more comfortable gym shoe. I fitted the Defy in the gym, and I knew it'd do the job. I have no problems even with technical sport/boulder routes and problems. It's comfortable, and would do 90% of the stuffs you need done. Only overhangs on small jib footholds would make it cry...
This review was written in the old system and had content requirements that are different than reviews written today.