GSM: 300-320 Size Measurement (in inch/cm deviation < 1cm ± ): M(Medium): Chest 39.37″ inch/ 100 cm, Height 27.55″ inch/ 70 cm L(large): Chest 40.94″inch/ 104 cm, Height 28.34″inch/ 72 cm XL(Extra large): Chest 42.51″ inch/ 108 cm, Height 29.13″ inch/ 74 cm XXL(Extra large): Chest 44.09″inch/ 112 cm, Height 29.92″ inch/ 76 cm