New Balance Men's Compression 1/2 Tight 80% Nylon, 20% Lycra; machine washable - line dry 80% Nylon, 20% Lycra; machine washable - line dry|NB Jacquard panels for ventilation and power mesh for back and abdominal support|Anti-slip NB jacquard elastic at waist with silicone backing, grip elastic at leg hem|Imported|