I was thinking of the additional discount coupons they used to mail out a few years back, throughout the year.
Official Sales Alert thread - Page 2031
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her*. and hostem stocks peir, I think
edit: nvm, they don't. only one piece up on farfetch (http://www.farfetch.com/shopping/men/peir-wu-long-sleeve-contrast-top-item-10134880.aspx?storeid=9081)
The blue one is on sale at Canvas Malibu
You can find her contact into on the PW website and can order directly from her.
Random PW forum three: