I ordered a medium which fit perfectly (for reference, I am 5. Works as it should This is not something I would recommend trying to fix yourself, and it is not something to do with program, or app, as it does this on the xbox one x, and in every racing game i have, such as Forza Horizon 3, Forza Horizon 2, etc. We are now getting a set for our daughter, who is 13 also doing virtual schooling (ugh. Looks great for space, the wooden top is a great accent! My little boy made some castle with the box so I couldnt chañge the size. Just about every similar crossbar available online, the seller lists the cross-sectional dimensions -- so its obvious that this information is important! My old roof bag was a waste of space and I threw it out a while ago. I havent put any in there yet, but imso excited to because theyre so sturdy and great quality! The outcome is better than great, and it looks nice.