Alpine - WomenShop Now Overview The Xero Alpine is built on a zero drop platform with a wide toe box and thin FeelTrue sole. barefootshoes. store is an independent multi brand marketplace. Compare Xero with Vivobarefoot, Wildling, Be Lenka, and Saguaro. How Does It Compare Xero offers a more accessible US price point than Vivobarefoot with the same zero drop commitment. Be Lenka is a strong European alternative with comparable width. Sizing and Fit Xero runs true