Sounds like you might have gotten the wrong size. I used to do 12-13 hours sat in one of those at the office, with only a short break during the day to grab a s

Sounds like you might have gotten the wrong size. I used to do 12-13 hours sat in one of those at the office, with only a short break during the day to grab a snack, and never had any problems. Absolutely worth every penny.