Go ahead and get sweaty in the relaxed Swiftly Breathe collection, powered by seamless construction. seamless construction Fabric is seamlessly constructed with yarns chosen for movement and shape retention—over time, and when they're soaked in sweat. Lightweight Retains shape features Designed for: Run Silverescent® technology: Powered by X-STATIC®, it inhibits the growth of odour-causing bacteria on the garment Reduced chafing : Seamless construction reduces chafing Goodbye, cold ears: Shaped to keep your ears warm and cozy Ventilation: Mesh construction for breathability No ride up: Wider hem helps your shirt stay put Relaxed fit, hip length: Layers easily and gives you room to breathe Recycled polyester: 100% of the polyester in this product is recycled 9/24