How to choose your t-shirt size: Take one of your well-fitting shirts and lay it flat on a tabletop. Now measure the width from seam to seam about 2.5 cm (1 inch) below the sleeves; this will give you the half chest measurement that you can compare to the size conversion table. Note; the size selector is in the EU standard. Material: 100% cotton Quality: 180 g/m 2 Fit: Medium fit Be sure to check the size table! Size conversion table Half Chest (cm / in) EU (Shop) US 49 / 19.3 S XS 52 / 20.5 M S 55 / 21.7 L M 58 / 22.8 XL L 61 / 24 XXL XL 64 / 25.2 XXXL XXL