"The crochet Slip Stitch Mittens is as the name suggested made with mostly slip stitches. This is what makes the mittens really warm and the crochet stitch pattern with beautiful ridges. What makes these perfect for winter is the fact that the 100 % merino yarn will keep you warm even on the coldest days. The crochet Slip Stitch Mittens is a beautiful crochet pattern for a pair of crocheted winter mittens. The stitch makes a tight result, meaning they'll keep your really warm and toasty. The pattern comes in 1 size and uses Joy of Motion Yarn. Size customization included in the pattern."