I bought a titan F6 a while back and hated it. I cut the back open and love it now. It's definitly a shirt worth checking out.
July 1st my traninig partners put on a BBQ/lifting session and I did 500x3 in it and 530x3. I had LOTS more in the hole.
http://www.ironasylumgym.com/traini...106jimshirt.wmv