Product Features Silverescent™ technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on the fabric Skims your body Meets at your waistband so it won't ride up on long runs or race day Skip-the-Chafe, Seamless Construction Minimal seams to reduce chafe Lightweight Mesh construction for breathability Added elastane improves stretch and shape retention Materials and care Materials All:54% Nylon, 40% Recycled Polyester, 3% Elastane, 3% X-Static Nylon Care Machine Wash Cold Do Not Bleach Tumble Dry Low Do Not Iron Do Not Dry Clean Contains biocidal silver nitrate (nano) Inhibits odour-causing bacteria, Wash With Like Colors