And perform it does…. The Adam Smith Performance Thong is a lightweight, cool, and comfortable mesh thong. This thong lets you workout without hesitation thanks to the mesh fabric and it is anti-bacterial to help prevent odors. 90% polyester, 10% elastane.Adam Smith Performance ThongMen’s thongSoft and comfortableMesh fabric is breathableAnti-bacterial helps prevent odors90% polyester, 10% elastane