GrainLine Studio Tamarack Jacket Pattern- Designed with the transitional seasons in mind, this stylish quilted coat is perfect for layering. Follow one of the two quilting designs included or design your own. Light to mid-weight wovens such as cottons, linen, chambrays work well for this jacket. We have quite a selection for you. Techniques include straight seams, basic quilting, inserting a welt pocket and applying bias binding. This is an advanced beginner level class.