Easy size swap and returns - more info here

• Swimwear & Underwear
• S - 77-79cm / 30-31"  (Fits comfortably down to XS 28")
• M - 82-84cm / 32-33"
• L - 87-89cm / 34-35"
• XL - 92-94cm / 36-37"
• 2X - 97-100cm / 38-39"

• Titan Underwear Only
• S 71-79cm / 28-31"
• M 80-88cm / 31.5-34.5"