Adidas Authentic Jersey Size Chart

Authentic Chest Back Sleeve
42 (XXS) 19.5" 31.5" 32.75"
44 (XS) 20.5" 32.25" 33.25"
46 (S) 21.5" 33" 33.75"
50 (M) 22.5" 33.25" 34.5"
52 (L) 23.5" 34" 35.25"
54 (XL) 24.5" 34.25" 35.75"
56 (2XL) 25.5" 34.5" 36.25"
60 (3XL) 27.5" 35.5" 36.25"