Size Chart for Men's Vest

All the measurement are in inches:

S M L XL 2XL 3XL 4XL 5XL 6XL 7XL 8XL
CHEST 38-40 40-42 42-44 46-48 50-52 54 56-58 60 62-64 66 68
WAIST 34-36 36-38 40-42 44-46 48-50 52-54 54-56 58-60 60-62 64-66 66-68
BACK 25.5 26 26.5 27 27.5 28 28.5 29 29.5 30 30.5