Made from 100% cotton our basic sweatshirt is a throwback to Edition 1. The print on the back will mirror the front - unless you choose a solid black or white back. And NEW for Edition 4: ribbed cuffs and neck for a perfect fit. For best results, make sure that the image you upload is at least 57" (W) x 35" (L). 72DPI: 4104px x 2520px or 250DPI: 14250px x 8750px. You can upload a PNG or JPG. Since every piece is custom made, it may take 2-4 weeks for delivery.