The Under Armour Boys ColdGear Compression Pants in Black, Youth Size Medium, are designed for active boys who want to stay warm and comfortable during their winter, fall, and spring activities. Made of 88% polyester and 12% elastane, these knit pants feature a colorblock pattern with a pull-on closure and an elastic waist for a secure fit. The tapered leg style and moisture-wicking fabric make them ideal for running and jogging, while the athleisure theme and logo add a stylish touch. These pants are machine washable and perfect for young athletes looking to perform at their best.