Omni-Wick inserts keep you dry and comfortable * Omni-Heat thermal reflective lining for lightweight, breathable warmth * Performance fit, Antimicrobial, 4-way comfort stretch and ergonomic seaming, Imported * Omni-Wick inserts under arms and at side torso, Omni-Heat thermal reflective lining, 85% polyester/15% elastane sweet rev.