Our zippered work jacket, made from 14oz broken twill selvedge denim and overdyed black. Broken twill denim was first used in 1964 by Wrangler as a solution for combatting fabric twist caused by the directional torque generated in the weaving process. The process of weaving fabric in this method sees the combination of both right hand twill (RHT) and left hand twill (LHT) reversed every two warp ends, forming a zigzag-like pattern in the denim and resulting in no bias in either direction of the weave. [SIZE-GUIDE-INCH] Tag Size XS S M L XL XXL XXXL XXXXL Shoulders 15.9 17.2 17.7 18.6 19.3 20.0 20.8 21.8 Length 23.7 23.9 24.6 25.4 25.8 26.7 27.5 27.8 Chest (P2P) 20.5 21.3 21.9 22.8 23.6 24.2 25.0 25.9 Waist 18.7 19.4 20.1 20.8 21.5 22.2 22.9 23.7 Opening 18.8 19.6 20.3 21.1 21.8 22.5 23.2 24.1 Sleeve 24.8 25.0 25.5 26.0 26.5 26.9 27.5 28.4 Sleeve Opening 4.3 4.4 4.5 4.6 4.7 4.9 5.1 5.3 [SIZE-GUIDE-CM] Tag Size XS S M L XL XXL XXXL XXXXL Shoulders 40.4 43.6 44.8 47.1 49.0 50.8 52.8 55.4 Length 60.2 60.6 62.4 64.4 65.5 67.7 69.9 70.5 Chest (P2P) 52.1 54.1 55.6 57.9 59.9 61.3 63.5 65.7 Waist 47.5 49.3 51.1 52.8 54.5 56.3 58.0 60.1 Opening 47.8 49.8 51.6 53.6 55.4 57.0 58.9 61.2 Sleeve 63.0 63.4 64.6 66.0 67.3 68.2 69.9 72.0 Sleeve Opening 10.8 11.2 11.4 11.7 11.9 12.4 12.8 13.3