Based on Garment Measurements |  Unit of Measure is " Inches "
Size  Chest Length
S 36 24
L 42 26


1- Select garment you already have and fits you, Lay it straight and perform the following measurements.

2- Chest - Measure the chest right 1 inch below from the arm pit (circumference) 

3- Length : Measure the length from highest point of the shoulder to the bottom