"Bomb proof" in these types of product descriptions have obviously always been figurative.
To be honest my expensive Clouveil gloves has a tear in it as well, even though I have no clue how it got there. Eventually I didn't care about it anymore and the gloves still work.
In your case it looks like scratches, but it looks like aesthetic abrasion and really won't affect the functionality. There's nothing you can do when there's abrasion marks on your apparel.
Honestly, are you going to say to Burton "I didn't hit any trees"? You did, and that's why those marks are there.