Icy Bobble Hat Crochet Pattern This hat is adult sized, and one size should fit most. It is 10 inches (25 cm) wide and 7 inches (18 cm) tall, not including the pom-pom. You will need: 5.5 mm crochet hook About 55 g worsted weight yarn Abbreviations: sc - single crochet hdc - half-double crochet sc in 3rd loop - on the wrong side there will be a loop that's below the two loops that you would normally work into. Sc into this loop to create a ridge bobble st - (yo, insert hook into the stitch and pull up a loop, then pull this loop through the first loop on the hook) repeat two more times. Then yo and pull this loop through all the loops that are left on the hook. sl st - slip stitch ch - chain Note: this pattern is written using US crochet terms. Pattern: Brim: ch 7 (Row 1) hdc in 2nd ch and across (6) (Row 2) ch 1, turn, hdc in blo across (6) repeat row 2 38 more times, for a total of 40 rows. sl st the edges together and ch 1 Body ...