Mens Essentials Athletic Sizing Guide

Chest: Measure around the fullest part of your chest. Usually 3cm below your underarm. Keep the measuring tape horizontal.

Waist: Measure around the smallest section of your waist, usually in line with your bellybutton.  Keep the measuring tape horizontal.

Measurements are in cm. 

S M L XL XXL
Chest
86 - 90
90 - 95
96 - 100
101 - 110
110 - 120
Waist 76 - 80 80 - 84 84 - 89 90 - 95 96 - 110
Length
70
72
74
76
78