McDavid Men's Hexpad Freeride Padded Compression Shirt 80% Nylon/ 20% LYCRA Made in US 80% nylon/20% Spandex, 5.5 oz./yd Dual density HexPads are bonded to compression wear to provide protection, and compression to reduce the build up of lactic acid in the muscles, providing less soreness, cramping, and fatigue along with faster muscle recovery from exercise. Machine washable, line dry, no bleach USA