Best Selection of The Hot Chillys(r) MTF Micro Elite men's crewneck top features the MTF Micro Elite Chamois fabric, a blend of Bio-Silver(r) polyester, micro-denier polyester, and Lycra(r) spandex which fits like a second skin, adapting to your movements to create a warm and comfortable base layer. Bio-Silver(r) fabric prevents bacteria, fungus, and odor from accumulating, giving you a fresh and clean feel every time.  ...More Details