It's always been difficult to find waterproof clothing which is really suitable for outdoor work. It may seem a strange point to make, but the vast majority of waterproof garments used by those who work outside for a living, were only ever designed to keep out water, they were never designed to work in. Many outdoor workers find these garments too uncomfortable, too heavy, too inflexible ...
For some, help may only be seconds away, but for many it's much longer. Severe bleeding can cause shock or death in less than 10 minutes. Moderate, prolonged bleeding can do the same.