Terramar offers an unbeatable base layer for your top or bottom, that won&';t break your budget. With advanced technologies like Odor neutralizing, moisture transport, no-noise 4 way stretch fabrics as well as Fast drying, you get base layers that stay comfortable, dry, and warm all day long. Flat Seam construction Great Breathability INTELLISCENT(TM) Triple Action Stealth Technology Odor Absorbing& Odor Neutralizing Moisture Transport Brushed surface creates additional air trapping warmth Fast-drying Breathable and soft No noise UPF rating 25+ 360 Degree Stretch Jersey and MeshBody: 86% Micro Polyester 14% Spandex 85% Micro Polyester 15% Spandex 180 gsm