Details :
(smaller needle): US size 3/ 3.25 mm on 16” circular needles..

(larger needle): US size 5/ 3.75mm on 16” circular needles.
(Or needles to obtain gauge)
Gauge : (Note: We are going to take gauge for both the brim on smaller needles and the body of the hat on larger needles.)

Smaller needles: 8 sts and 9 rows per inch.
Larger needles: (Around) 7.25 sts and 9 rows per inch.

(Brim should have negative ease of a few inches, as at this gauge, it will stretch out and stretch back easily.)

Yarn Used:
Sport Weight: 328 yards per 100 (g)
Yardage: approx 200 yards
Notions :
Set of circular needles in coordinating sizes, darning needle, cable needle, unique stitch marker to indicate beginning of round,