The Stratos v2 Techshell Drystar? Jacket a highly versatile, technical urban riding jacket incorporating a 100 per cent waterproof and breathable Drystar? membrane for effective and proven all-weather performance. With the slim profile, highly ventilated Nucleon Flex Plus armor for high levels of comfort impact protection and the ability to upgrade with Alpinestars Nucleon back 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. Fixed inner liner for breathability. Removable thermal liner. Inner waterproof wallet pocket. Comfort fabric on collar. Dynamic Friction Shield (DFS) external dual density TPU sliders on shoulders.