Our products are 100% cotton production. it has cotton combed quality fabric. there may be 1-2 cm difference between sizes. washing suggestion it is recommended to wash in warm water at 30 degrees and by turning the printed products inside out.| sm | chest: 50 | height:65 || l | chest: 53 | height:70 || xl | chest: 57 | height:74 || xxl | chest: 60 | height:78 |. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.