At first glance, the outfit North West wore on a family ski holiday (a.k.a. Keeping Up With The Kardashians plot fodder) in Colorado looks pretty typical— a puffy ski suit and requisite Sorel boots. But a word printed on her turtleneck caught our eye: “СТИЛЬ,” which means style in Russian. Further digging revealed that the shirt is the work of Heron Preston, previously of Been Trill, a fashion and DJ collective known for Tumblr-y streetwear. Now, Preston is behind HPC Trading Co. It’s an e-commerce platform for apparel and various objects designed by Preston and other artists. The goods drop at random, and, alas, North’s sweatshirt is sold out. Preston frequently collaborates with Kanye, which explains how North got her hands on an extra-small version of the shirt. With the day’s fashion detective work finished, we’ll now go back to refreshing our browsers and hoping it gets restocked.

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