Percussion Berry Waterproof JacketPercussion Berry Waterproof Jacket Look the best and feel the best wearing the Percussion Berry Waterproof Jacket. This 100% polyester waterproof and breathable jacket with taped seams is designed with the bad weather in mind. It's great for all men wishing to get outside when the storm says no. Use on hunting and shooting trips, winter dog walks, wanders along the British coast or at social events. It's a stylish coat with impressive protection.