I've never bothered trying to claim warranty on a pair of shoes, but I was wondering... Is that guarantee from when you purchase them? Or from when you start using them? Because when I see a sale @ TW on a pair of shoes I like, I will purchase a couple pairs of them & leave them in the closet. But I may not use them until 6 or 8 months after the purchase. So, how do you prove '6 month durability'? Do the companies not even bother checking, and just replace your shoes? I'd hate to pay $10 shipping, only to have them sent back 'as is'.