Regatta Pack-It III Waterproof Jacket For when the weather turns quickly, the easily-packed Regatta Pack-It Waterproof Jacket is perfect for quick water-proofing. The waterproof and highly breathable fabric used on the jacket is Regatta's Isolite 5000. Designed to keep you dry and comfortable in the outdoors, the fabric boasts a waterproof hydrostatic head of 5000mm, ensuring that intense rain won't penetrate the layer and keep you dry. The fabric is coated in a durable water-repellent finish which wicks moisture away when exposed to it. A steady airflow is allowed in and out of the jacket which means the body will be kept at a steady and comfortable temperature. Taped seams reduce the risk of discomfort caused by chafing within the jacket. The shoulders and arms are allowed to have a wide range of movement, meaning that you can carry on your high-energy activity in the rain. A full-length zip makes it easy to adjust depending on the weather. The integral hood is adjustable, so whe.