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IWEARLONG Size Guide (cm) Note: Measurements are in CM. “Chest (½)” and “Bottom (½)” are measured flat (half circumference). Allow 1–2cm tolerance.
Men’s T-Shirt Size Guide
Measurement (cm) S M L XL
Length 67 69 71 73
Chest (½) 52 54.5 57 59.5
Bottom (½) 51.5 54 56.5 59
Sleeve Length 22.5 23.5 24.5 25.5
Sleeve Opening (½) 18.75 19.5 20.25 21
Neck Width 21 21.5 22 22.5
Neckline Depth 9.7 10 10.3 10.6
 
Women’s T-Shirt Size Guide
Measurement (cm) XS S M L
Length 56 58 60 62
Chest (½) 41.5 44 46.5 49
Bottom (½) 42.5 45 47.5 50
Sleeve Length 16 17 18 19
Sleeve Opening 14.5 15.25 16 16.75
How to Measure
For best fit, lay a similar T-shirt flat on a surface and measure as follows:
  • Chest (½): Measure straight across the chest from armpit to armpit.
  • Length: Measure from the highest point of the shoulder (next to the collar) down to the hem.
  • Bottom (½): Measure straight across the bottom hem of the T-shirt.
  • Sleeve Length: Measure from the shoulder seam down to the end of the sleeve.
  • Sleeve Opening: Measure straight across the sleeve opening.
Fit Advice
  • All styles are regular / modern fit.
  • If you prefer a relaxed or oversized look, we recommend sizing up.
  • Measurements may vary by 1–2 cm due to production.
  • If you’re between sizes, we recommend choosing the larger size.
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