Under Armour Sizing Chart

Men's Sizes
Size S M L XL 2XL 3XL
Chest 36 38-40 42-44 46-48 50-52 54-56
Waist 29 30-32 34-36 38-40 42-44 46-48
 
Women's Sizes
Size XS (0-2) S (4-6) M (8-10) LG (12-14) XL (16) XXL (18)
Bust 33.5 34.5-35.5 36-38 38.5-40.5 41-43 43+
Waist 24.5 25.5-27.5 28-30 30.5-32.5 33-35 35+
Hips 35 35.5-37.5 38-40 40.5-42.5 43-45 45+
 
Boys Sizes
Size S (8) M (10-12) L (14-16) XL (18-20)
Chest 26-28 28-30 30-32 32-34
Waist 23-24 25-26 26-27 28-29
 
Under Armour products are constructed in one of three different cuts:
Compression: Ultra tight fit, second-skin feel
Fitted: Not tight, but contoured to the body
Loose: Generous cut, oversized fit
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