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US: XL (38–40) to United Kingdom Size 31–33

Cross-market men’s underwear and boxer brief conversion mapping XL (38–40) specifications into 31–33.

From Standard & Size
US
Converted Equivalent
UK
38–40
Based on row equivalence: US XL (38–40) | EU 54–56
Standard cross-walk matching active anthropometric row parameters.
US: XL (38–40) to United Kingdom Size 31–33 Conversion

Analyzing Underwear Size Equivalence Across Markets

US: XL (38–40): Corresponds to a waist stretch range of 96.5–101.6 cm\text{cm} (38–40 in\text{in}), hip circumference of 111.8 cm\text{cm} (44 in\text{in}), thigh clearance of 63 cm\text{cm} (24.8 in\text{in}), and fit style Relaxed Boxers & Extended Boxer Briefs.

United Kingdom Size 31–33: Corresponds to a waist stretch range of 78.7–83.8 cm\text{cm} (31–33 in\text{in}), hip circumference of 96.5 cm\text{cm} (38 in\text{in}), thigh clearance of 55 cm\text{cm} (21.7 in\text{in}), and fit style Briefs, Boxers & Boxer Briefs.

Other Conversions to United Kingdom Size 31–33

US: XS (26–28) → uk-31-33XS (26–28) to uk-31-33
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US: S (28–30) → uk-31-33S (28–30) to uk-31-33
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US: M (31–33) → uk-31-33M (31–33) to uk-31-33
View
US: L (34–36) → uk-31-33L (34–36) to uk-31-33
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US: XL (38–40) → uk-31-33XL (38–40) to uk-31-33
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US: 2XL (42–44) → uk-31-332XL (42–44) to uk-31-33
View
US: 3XL (46–48) → uk-31-333XL (46–48) to uk-31-33
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