●This training set is made of nylon spun yarn with anti-microbial treatment. Strong stretch and durable fabric for intense exercise ●Upper Outer Fabric: 78% polyester, 22% polyurethane; Pocket Fabric: 100% polyester; Bottom Fabric: 76% nylon, 24% polyurethane; Pocket Fabric: 100% polyester ●Regarding return and exchange, please check the "Product Description" below ●We ship it by international airplane parcels from overseas. It takes 5 to 10 days from the date of shipment, so please refer to it. Shipping tracking is available