It's Asian size,please check the detail sizer on the size chart image.
<br />Material: 97% Cotton and 3% Acrylic
<br />2 Colors: Gray, Black
<br />Design: Pullover
<br />Season: Spring, Autumn
<br />Collar: O-Neck
<br />Sleeve: Long Sleeve
<br />Pattern: Striped
<br />Fit Style: Slim
<br />Opportunity: Casual, Sport, Work
<br />Garment Care: Hand-wash max 30 , Normal Dry Clean. 
<br />Package Content: 1 x Men Sweater
<br />Please ignore the tag size comes with the clothes. The tag size sometimes can be a larger than our description size because those are for Chinese. We are 1 or 2 sizes smaller than European and American people.
<br />Size: There are 5 sizes (S/M/L/XL/XXL) available for the following listing. please allow 1-2cm differs due to manual measurement, thanks (All measurement in cm and please note 1cm=0.39inch)