United Kingdom Size 35–37 to US: L (42–44)
Cross-market men’s shirt and upper-body conversion mapping 35–37 specifications into L (42–44).

Analyzing Upper-Body Size Equivalence Across Markets
United Kingdom Size 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.
US: L (42–44): Corresponds to a chest width of 106.7–111.8 (42–44 ), neck collar girth of 41.9 (16.5 ), sleeve length of 88.9 (35 ), and fit style Comfort Fit.
Other Conversions to US: L (42–44)
United Kingdom Size 32–34 → us-l-42-4432–34 to us-l-42-44
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United Kingdom Size 35–37 → us-l-42-4435–37 to us-l-42-44
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United Kingdom Size 38–40 → us-l-42-4438–40 to us-l-42-44
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United Kingdom Size 42–44 → us-l-42-4442–44 to us-l-42-44
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United Kingdom Size 46–48 → us-l-42-4446–48 to us-l-42-44
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United Kingdom Size 50–52 → us-l-42-4450–52 to us-l-42-44
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United Kingdom Size 54–56 → us-l-42-4454–56 to us-l-42-44
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