ST-1 Waterproof Jacket Blue/Grey/RedAll weather, waterproof construction and crafted for ergonomic mobility Detachable waterproof, thermal liner to help keep the rider warm and comfortable Front vent panels on the chest provide cooling airflow, improving breathability and comfort Redefined, modern shoulder design with Alpinestars stylish branding gives the jacket an adventure touring inspired look Pre curved arms and ergonomic elbows for excellent freedom of movement Detachable liner