Ultralight and packable. This is the all-weather, water-repellent jacket that ticks all the boxes – and tackles all the elements. Materials & Transparency Materials Main Fabric: 100% Polyamide (Recycled Nylon) Mesh Inserts: 87% Polyamide (Recycled), 13% Elastane Key features - Weight: Noneg - Every inch of this breathable jacket is athlete-approved - Lightweight fabrics for easy, fluid movement - Windproof construction to face the elements - Water repellent surface for added protection - Integrated pocket for packing it all away - Spiral dart elbow construction for added mobility - Only 135g so there's nothing weighing you down - Reflective for when nighttime runs are a must