Video Tutorial

Round 1: 6 single crochet magic ring (6 stitches)
Round 2: 1 increase around (12 stitches)
Round 3: *1 single crochet, 1 increase* Repeat around (18 stitches)
Round 4: *2 single crochet, 1 increase* Repeat around (24 stitches)
Round 5: *3 single crochet, 1 increase* Repeat around (30 stitches)
Round 6: *4 single crochet, 1 increase* Repeat around (36 stitches)
Round 7: *5 single crochet, 1 increase* Repeat around (42 stitches)
Round 8: *6 single crochet, 1 increase* Repeat around (48 stitches)
Round 9: *7 single crochet, 1 increase* Repeat around (54 stitches)
Round 10: *8 single crochet, 1 increase* Repeat around (60 stitches)
Round 11: *9 single crochet, 1 increase* Repeat around (66 stitches)
Round 12: *10 single crochet, 1 increase* Repeat around (72 stitches)
Round 13: *11 single crochet, 1 increase* Repeat around (78 stitches)
Round 14: *12 single crochet, 1 increase* Repeat around (84 stitches)
Round 15: *13 single crochet, 1 increase* Repeat around (90 stitches)
Round 16: *14 single crochet, 1 increase* Repeat around (96 stitches)
Round 17: *15 single crochet, 1 increase* Repeat around (102 stitches)
Round 18: *16 single crochet, 1 increase* Repeat around (108 stitches)
Rounds 19-26: 1 single crochet around (108 stitches)
Round 27: *16 single crochet, 1 decrease* Repeat around (102 stitches)
Round 28:  1 single crochet around (102 stitches)
Round 29: *15 single crochet, 1 decrease* Repeat around (96 stitches)
Round 30: single crochet around (96 stitches)
Round 31: *14 single crochet, 1 decrease* Repeat around (90 stitches)
Round 32: 1 single crochet around (90 stitches)
Visor
Round 33: 30 single crochet, cut the yarn
Round 34: Place the yarn 1 stitch before the beggining of the round 33, single crochet to the stitch after the last stitch of the round 33 
Round 35: Place the yarn 1 stitch before the beggining of the round 34, single crochet to the stitch after the last stitch of the round 34 
Rounds 36 to 41: Place the yarn 1 stitch before the beggining of the previous round, single crochet to the stitch after the last stitch of the previous round 
Bend the visor and sew leaving 3 rounds out of the hat