The derry jacket is to us a rain jacket that goes for the young and independent style. It's hoodless design and raw references to the moto silhouette makes this light piece first and most an expression of style, but with the full Helly tech construction it is also a rain jacket. Hellytech protection (waterproof, breathable, windproof) construction. Hoodless design and raw references to moto silhouette. Material: Polyester.