Neither are really required, but they do help. Waist/hip belts aren't even allowed in some military school. That being said it's a lot easier with them.
Originally Posted by jfreaksho
The Army has a habit of teaching people to heel strike when rucking; i.e. "step it out." That can and will take a toll on the knees and ankles. However just like running with a correct foot strike, it's fine even carrying heavy loads.
Originally Posted by Mr. Anthony
"Go For Broke"
Fat Kine-230/24% @ 6'2"