US: S (35–37) to United Kingdom Size 32–34
Cross-market men’s shirt and upper-body conversion mapping S (35–37) specifications into 32–34.

Analyzing Upper-Body Size Equivalence Across Markets
US: S (35–37): Corresponds to a chest width of 88.9–94 (35–37 ), neck collar girth of 36.8 (14.5 ), sleeve length of 83.8 (33 ), and fit style Athletic Slim Fit.
United Kingdom Size 32–34: Corresponds to a chest width of 81.3–86.4 (32–34 ), neck collar girth of 35.6 (14 ), sleeve length of 81.3 (32 ), and fit style Slim Tailored Fit.
Other Conversions to United Kingdom Size 32–34
US: XS (32–34) → uk-32-34XS (32–34) to uk-32-34
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US: S (35–37) → uk-32-34S (35–37) to uk-32-34
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US: M (38–40) → uk-32-34M (38–40) to uk-32-34
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US: L (42–44) → uk-32-34L (42–44) to uk-32-34
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US: XL (46–48) → uk-32-34XL (46–48) to uk-32-34
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US: 2XL (50–52) → uk-32-342XL (50–52) to uk-32-34
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US: 3XL (54–56) → uk-32-343XL (54–56) to uk-32-34
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