Tax will be added at the time of invoicing; please consult customer service for details The materials and sizes of our store's products are all European sizes. Our products are mainly for customers and those for domestic use as well as personal wear. Please purchase with caution Original selfie image, colleagues use with caution, thank you Fabric composition: 95% polyester, 5% spandex Fabric name, quick-dry Zhigong wool Fabric square gram weight, 170 grams Weaving Craftsmanship, Knitting Is it elastic? Does it have elasticity? Product style grids, American men's fitness vest Finished Product Weight S: 210 M: 220 L: 234 XL: 248 XXL: 258 XXXL: 280