Tag says size S but this is Asian size so it's around 1-2 sizes smaller which should be about XS, please check the measurements underneath carefully to make sure it will fit.

Material: 35% Polyester & 65% Spandex, Chest 86cm, Sleeve 57cm, Length 61cm, Height 160cm-170cm, Weight 55kg-65kg

Returns accepted but the item must still be in it's sealed condition if the item is brand new or in it's described condition if the item is used. This includes all packaging, tags, inserts, manuals etc. and buyer pays for the return shipping.