The Resistance baselayer features an integrated anti-bacterial treatment for odour control during intense workouts. Specially-designed seams prevent rubbing, ensuring ultimate trail comfort. This long-sleeve baselayer is made from lightweight, quick-drying polyester fabric. The anti-bacterial treatment keeps it fresh, while stretchy mesh side panels offer enhanced breathability and freedom of movement. Main: 100% Polyester. Mesh Panels: 88% Polyester/12% Elastane.