Put on the ASICS® ASX Boy Brief and get on with your run. Its customized seamless technology offers variable compression levels for the perfect amount of support and comfort. Built with soft mesh fabric on the front and back, along with a plush knit-in gusset. Flatlock seams prevent irritation as you exercise. Fitted. 92% nylon/8% polyester. Imported. This product can be shipped to US addresses ONLY.