Men's Tech LS Sizing

Small Medium Large XL
Chest 34 1/2 37 1/4 40 1/2 44 1/2
Sleeve Length 33 1/4 33 1/2 34 1/4 34 7/5
Front Length 27 3/4 28 1/2 29 1/2 30 1/4
Bottom Opening 34 37 40 44
Back Length 29 1/4 29 3/4   30 3/4 31 1/2