White knit waterproof fabric offers several advantages, including:

1. Water Resistance: One of the most significant advantages of white knit waterproof fabric is its ability to resist water. This fabric is treated with a special coating that makes it impermeable to water, which means that it can protect whatever is underneath it from getting wet.

2. Durability: White knit waterproof fabric is typically made from high-quality materials that are resistant to wear and tear. This makes it an excellent choice for use in items that will be subjected to a lot of use, such as tents, outdoor clothing, and backpacks.

3. Breathability: While white knit waterproof fabric is designed to keep water out, it is also designed to allow air to flow through it. This means that it can help prevent sweat and moisture from building up inside of clothing, which can be uncomfortable and lead to skin irritation.

4. Lightweight: Despite its durability and water resistance, white knit waterproof fabric is typically quite lightweight. This makes it an excellent choice for use in items that need to be portable, such as tents and backpacks.

5. Versatility: White knit waterproof fabric is available in a variety of weights and textures, making it suitable for use in a wide range of applications. It can be used to make everything from rain jackets to tarps to boat covers.

Overall, white knit waterproof fabric offers a combination of water resistance, durability, breathability, lightweight, and versatility, making it an excellent choice for a wide range of applications where protection from water is needed.