Follow these free pattern instructions for adult and crochet children’s mittens. This one-piece free crochet mittens pattern with small hearts looks great. You’ll have a lot of fun making the little hearts on the outside of the crochet mittens. You can make them in mixed colors or in one color. You’ll also learn how to add a lining to the inside of your mittens to keep them warmer in this free crochet mittens pattern. These wonderful crochet mittens that you can make for both your children and yourself are waiting for you now.