ADJUSTABLE CHAINSAW VEST Durable 100% Polyester front. Mesh back for breathability. Lightweight & Comfortable. Zipper Front. Inner & Outer pockets. Meets all ANSI 107-2010 Requirements for Class 2 High Visibility work wear. Safety Pads on the upper chest & shoulder area may help in the event of accidental, dangerous, chainsaw kick back. This Vest Features the same protective material used in our best selling chainsaw leg protection which exceeds all ASTM F1897-2015 Regulations for chainsaw protection. S - XL Fits Chest Sizes 38" - 44" 2XL - 4XL Fits Chest Sizes 45" - 52"