Stormtech Matrix System JacketRedefining the 3 in 1. The matrix system jacket changes with the seasons. Works in synergy with a lightweight and thermally robust, interchangeable thermal shell liner that zips in and out as required. An H2xtreme waterproof breathable outer shell with articulated elbows, to allow for a full range of movement, and fully sealed seams to ensure the jacket stays watertight. Features Stormtech H2xtreme outer shellt Fully sealed seams Waterproof zippers