The National Geographic x Vans Classic Slip-On 'Then Now Glacier' is a part of a wide-ranging collection released alongside the esteemed magazine. It features an upper made of organic-cotton canvas and showcases a striking graphic print that aims to bring attention to the declining ice sheets in Greenland and Antarctica. The heel panel proudly displays the National Geographic branding, while the sneaker's lateral midsole is embellished with the inscription 'Greenland Pine Island Glacier Now'. This collaborative shoe not only offers style but also serves as a tool for raising awareness about the pressing issue of melting ice in these vulnerable regions.