Lululemon Swiftly Relaxed Long Sleeve 2.0 Size:8 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 Ventilation: Mesh construction for breathability Relaxed fit, hip length: Layers easily and gives you room to breathe Lycra®: Added Lycra® fibre for shape retention