Baby Yarn. Find baby yarn here on Knitting-Warehouse.com. We carry a wide range of baby yarn for all your knit or crochet projects from popular manufacturers including Bernat, Lion Brand, Mary Maxim, Patons, Premier and Red Heart. Baby yarns come in a variety of types such as novelty and self striping. Also, find your standard staples for blankets, layettes and baby accessories. We have compared the softness of some of yarns for comparison so, you can find the softest baby yarn available.