QZUnique Men's Casual Outdoor Long Sleeve Button Down Chest Pockets Cotton Shirt Fabric: 100% Cotton [MATERIAL] 100% Cotton provides super comfort. Hand wash with cold water or machine-wash it separately [SIZE INFORMATION] We have changed size information to the US size. Customers can select our products accroding to the US size directly, or contact us directly if you have any questions concerning size choice. Chest--US XS:38.3", US S:39.9", US M:41.5", US L:43.1", US XL:44.6"; Shoulder--US XS:17.5", US S:18.3", US M:19.1", US L:19.8", US XL:20.6" [ITEM SPECIFICS] Fashion and stylish design; Breathable lightweight clothing; Hook-and-loop closed box pockets at chest; Classic long-sleeve button-down shirt; 100% Cotton provides super comfort; favorite for outdoor workouts. Suitable for both daily look and outdoor activities, perfect for travling, daily life, hiking, climbing, camping, running, cycling, and other sports [BRAND SPECIFICATION] All QZUnique products are offered UNDER REGISTERED TRADEMARK and ONLY SOLD BY GLOBAL BEST DISCOUNT. We do not authorize any other sellers to sell our products on Amazon. We can not guarantee products quality of other sellers [DELIVERY TIME] All orders fulfilled by [Global Best Discount] with [standard shipping] are free shipping, and it usually only takes 5 to 10 business days to arrive, much sooner than the estimated delivery time