C4F and C4B are only cable stitches used.

Chest Measurements:
XS/S - 28-34” 71-86.5 cm
M - 36-38” 91.5-96.5 cm
L - 40-42” 101.5-106.5 cm
XL - 44-46” 112-117 cm
2XL/3XL - 48-54” 122-137 cm
4XL/5XL - 56-62” 142-157.5 cm

Cable needle and 4 stitch holders recommended.

Needles required: 14” Single Point Knitting in US sizes
Size 10 (6mm) and Size 9 (5.5mm)

and US Size 9 (5.5mm) 16” Circular Knitting Needles