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Firstgear Unisex Base Layer Top Sizing

Size Chest (in)
SM 40
MD 42
LG 44
XL 46
2XL 48
3XL 50

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How to Measure

  • C Chest
    Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.