Probably depends how big and muscular are you. I don't feel 14' PRO in my backpack at all, 16 PRO barely. Its not a flex but it definitely matters if you are a

Probably depends how big and muscular are you. I don't feel 14' PRO in my backpack at all, 16 PRO barely. Its not a flex but it definitely matters if you are a 5'1 female or 6'2 male.