Europe Size 40–42 to US: S (28–30)
Cross-market men’s swimwear conversion mapping 40–42 specifications into S (28–30).

Analyzing Swimwear Size Equivalence Across Markets
Europe Size 40–42: Corresponds to an elastic waist range of 66–71 (26–28 ), hip girth of 84 (33 ), style tier Swim Briefs & Slim Trunks, and fit classification Athletic Snug Fit.
US: S (28–30): Corresponds to an elastic waist range of 71–76 (28–30 ), hip girth of 89 (35 ), style tier Trunks, Briefs & Boardshorts, and fit classification Slim Contour Fit.
Other Conversions to US: S (28–30)
Europe Size 40–42 → us-s-28-3040–42 to us-s-28-30
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Europe Size 44 → us-s-28-3044 to us-s-28-30
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Europe Size 46–48 → us-s-28-3046–48 to us-s-28-30
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Europe Size 50–52 → us-s-28-3050–52 to us-s-28-30
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Europe Size 54–56 → us-s-28-3054–56 to us-s-28-30
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Europe Size 58–60 → us-s-28-3058–60 to us-s-28-30
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Europe Size 62–64 → us-s-28-3062–64 to us-s-28-30
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