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.