Helly Hansen Men's Standard Dubliner Waterproof Windproof Breathable Rain Coat Jacket, 597 Navy, Medium. HELLYTECH PROTECTION (waterproof, breathable, windproof) construction. A great-fitting, versatile Helly tech jacket for men. Waterproof, breathable and windproof with fully sealed seams to protect you against the elements. Its quick-dry, lightweight lining adds comfort in both warm and cold weather.Perfect rainwear for wet weather. Any product you return must be in the same condition you received it and in the original packaging. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.