Tie Dyed Shop Blue Spiral Pullover Tie Dye Hoodie Sweatshirt 100% heavy weight cotton and pre-shrunk; satisfaction guaranteed. Will last a long time with cold water washings. We use pdf (cotton) stitching which absorbs the dye also. Some dyers use cheaper lightweight blanks with nylon stitching which does not absorb the dye. Hoodie has front pockets. Extended sizes available.