Helly Hansen Womens Pier 4.0 JacketHelly Hansen Womens Pier 4. 0 Jacket Inspired by Helly Hansen heritage sailing products, we designed the Women's Pier 4. 0 Jacket for protection and durability when coastal sailing in tough conditions. Crafted with our waterproof breathable HELLY TECH Performance technology, its designed to keep you comfortable and dry. We've improved the freedom of movement with a more articulated sleeve construction, and your movement will be less restricted while