The HeatGear fabric is extremely soft and smooth, providing extra comfort at a very low weight.The new innovative NEOLAST™ fibers ensure high elasticity, durability, comfort and better moisture wicking.NEOLAST™ is a highly effective elastane alternative that has been designed to start solving the sustainability problems associated with elastane.The material wicks away sweat and dries very quickly.4-Way Stretch technology for better movement in every direction.The ergonomic design protects the seams and increases durability.Odor control technology minimizes odors.