100% Cotton Zip up closure Metal eyelet vents under arms Please refer to the size chart for accurate measurements How to Measure Yourself Shoulder: Measure from shoulder tip to shoulder tip across the back. Pit to Pit: Measure from one armpit to the other across the fullest part of your chest. Sleeve: Measure from the shoulder seam to the end of the sleeve. Back: Measure from the base of the neck to the bottom of the garment. Size Chart Size S M L XL Shoulder (in/cm) 21.3" / 54.0 cm 22.0" / 56.0 cm 22.8" / 58.0 cm 23.6" / 60.0 cm Pit to Pit (in/cm) 24.8" / 63.0 cm 25.8" / 65.5 cm 26.8" / 68.0 cm 27.8" / 70.5 cm Sleeve (in/cm) 24.2" / 61.5 cm 25.0" / 63.5 cm 25.8" / 65.5 cm 26.6" / 67.5 cm Back (in/cm) 25.6" / 65.0 cm 26.4" / 67.0 cm 27.2" / 69.0 cm 28.0" / 71.0 cm
