100% Polyester Moderate thickness Straight, loose fit 1 chest pocket Cool & for Summer wear A loose-fitting workwear top with dropped shoulders and a pocket on the left chest for durable wear without deformation. Washing instructionsA washing machine can be used, do not dry in the sun to cause discoloration. Size Chart Using the chart below to determine your size based on your measurements. If you’re on the borderline between two sizes, you may select the smaller size for a tighter fit or the larger size for a looser fit. Measurements are in inches with flat tile size unless otherwise noted. The CHEST measurement is total length of one circle. SIZE LENGTH SHOULDER CHEST SLEEVE LENGTH M 28.7 21.3 44.1 8.7 L 29.5 22.1 45.7 8.9 XL 30.3 22.8 47.3 9.1 2XL 31.1 23.6 48.8 9.3 3XL 31.9 24.4 50.4 9.5