Hoodies, or hooded sweatshirts, are sometimes preferred overthose that zip up the front, but occasionally when a hoodie seemstoo heavy for the season, putting a zipper on the front of it isjust the solution needed. Adding a zipper to a garment is an easysewing procedure, and putting a zipper on a sweatshirt is noexception. If you're having trouble getting a sweatshirt on andoff, add a zipper. Follow the steps below to quickly and easily adda zipper to your sweatshirt.1. First, turn your sweatshirt inside out and iron a line rightdown the center of the front-side.2. You need to measure and cut a piece of 1 1/2-inch widefusible interfacing and place it on the center of the crease,running from the top seam to the bottom seam.3. Steam-press the interfacing in place. Spray water on theinterface