When Brezier keeps going up,

pu1. Check the size again and try it on just right. I kept going up and adjusting the perimeter, and it got better

2017-12-01

OK

pu2. I think it's because the shoulder strap is short

2017-12-01

OK

pu3. That's what happens when you wear something big. Try it on

2017-12-01

OK