The Stratos V2 Techshell Drystar® Jacket a highly versatile, technical urban riding jacket incorporating a 100% waterproof and breathable Drystar® membrane for effective and proven all-weather performance. With the slim profile, the ability to upgrade with Alpinestars Nucleon back, elbow, and shoulder inserts, plus a detachable fleece hoodie for enhanced comfort and thermal insulation, the Stratos v2 is ideal for daily riding in and around the city.