Funny What I Like About Melbourne Women's Singlet Tank Top T-shirt150 GSM, 100% Cotton Pre shrunk to minimise shrinkage Extra long body Size Body Width (cm) Body Length (cm) XS 8 44 70 S 10 46. 5 72 M 12 49 74 L 14 51. 5 76 XL 16 54 78 How to Measure: Lay an existing t shirt flat. Body Width: Measure 3cm below armpit, from one side to the other. Body Length: Measure from the top of the shoulder to the bottom of the t shirt.