Will a fabric be waterpfoof even after the water repellent finish has partially worn off?

Over time water repellent finishes tend to wear off. Yet, if the fabric is fully coated and seam taped securely you can expect the garment to be waterproof for an extended period of time. Occasionally, you may feel a slight coldness because the outer shell of the fabric becomes "wet" which is caused by a decrease in the water repellency of the garment. However, it is important to note that this does not mean that the fabric is leaking. ... more