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