• Small:
• 26 - 30in
• 65 - 70cm

• Medium:
• 31 - 33in
• 75 - 80cm

• Large:
• 34 - 36in
• 85 - 90cm

• XLarge:
• 36 - 40in
• 95-100cm

• XXLarge:
• 40 - 46in
• 105-110cm

As a rule of thumb, we recommend ordering the same size boxer briefs you currently wear to get the most accurate sizing for Tucked Trunks.