adidas Compression Arm Sleeve - Men's Enhance your training performance with the adidas Compression Arm Sleeve, designed to help you perform at your very best. The compression increases blood and oxygen flow, so your muscles recover quickly and you can workout more effectively. The seamless construction provides a customized, comfortable fit, and ClimaCoolŪ mesh panels regulate temperature and add breathability. One arm sleeve per package. 100% nylon. Imported.