The Resistance baselayer comes with an integrated anti-bacterial treatment for odour control during intense workouts, along with specially-designed seams to prevent rubbing for ultimate trail comfort. It is made from lightweight and quick-drying Polyester fabric. The anti-bacterial treated fabric helps control odour. Stretchy mesh side panels provide extra breathability and freedom of movement. Main fabric composition: 100% Polyester. Mesh Panels composition: 88% Polyester/12% Elastane.