US: 3XL (46–48) to United Kingdom Size 26–28
Cross-market men’s underwear and boxer brief conversion mapping 3XL (46–48) specifications into 26–28.

Analyzing Underwear Size Equivalence Across Markets
US: 3XL (46–48): Corresponds to a waist stretch range of 116.8–121.9 (46–48 ), hip circumference of 127 (50 ), thigh clearance of 71 (28 ), and fit style Big & Tall Boxers & Briefs.
United Kingdom Size 26–28: Corresponds to a waist stretch range of 66–71 (26–28 ), hip circumference of 84 (33 ), thigh clearance of 48 (18.9 ), and fit style Briefs, Trunks & Boxer Briefs.
Other Conversions to United Kingdom Size 26–28
US: XS (26–28) → uk-26-28XS (26–28) to uk-26-28
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US: S (28–30) → uk-26-28S (28–30) to uk-26-28
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US: M (31–33) → uk-26-28M (31–33) to uk-26-28
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US: L (34–36) → uk-26-28L (34–36) to uk-26-28
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US: XL (38–40) → uk-26-28XL (38–40) to uk-26-28
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US: 2XL (42–44) → uk-26-282XL (42–44) to uk-26-28
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US: 3XL (46–48) → uk-26-283XL (46–48) to uk-26-28
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