The Cotton Crochet Sun Hat Pattern is the perfect pattern to make for the hot, sunny days of summer. Cotton yarn is used for this free hat pattern, which will help keep you cool. Plus, the small brim on this crocheted hat will keep the sun out of your eyes. The shell stitch is used to work up the light and lacy design of this sun hat, which is both pretty and practical for the summer months. It measures about 22 inches in circumference. Use H G crochet hook sizes and cotton yarn to work up this cotton hat.