Side zip. Although there is some dirt and wear on the sole, the upper is in very clean condition with almost no signs of use, and the inside is also clean. These waterproof SOREL PUFFY ZIP snow boots will keep you warm and comfortable even in the snow. To ensure the quickest delivery time, we may change the shipping method from Rakuraku Mercari Bin to Yuyu Mercari Bin, or from Yuyu Mercari Bin to Rakuraku Mercari Bin, depending on the time of purchase. Please understand. If you have any preference for either Yamato Transport or Japan Post, please let us know before you purchase, and we will do our best to accommodate you.