Polyester itself is not inherently waterproof, but it can be treated with a waterproof coating or laminate to make it water-resistant or waterproof. This treatment creates a barrier that prevents water from penetrating the fabric. However, it's important to note that the level of waterproofing can vary depending on the specific treatment and construction of the polyester fabric. **

Polyester is a synthetic material that is water-resistant, so it does not absorb water like natural fibers do. When it rains, polyester fabric will repel the water and not become saturated. This makes it a popular choice for outdoor clothing and gear, as it helps to keep the wearer dry. Additionally, polyester is quick-drying, so any water that does come into contact with it will evaporate relatively quickly. **

Polyester is a synthetic fabric that is known for its resistance to shrinking. Unlike natural fibers such as cotton or wool, polyester is less likely to shrink when exposed to heat or moisture. However, it is still possible for polyester to shrink under extreme conditions, such as high heat in the dryer or hot water in the washing machine. To prevent shrinking, it is recommended to follow the care instructions on the garment's label and avoid exposing polyester to high temperatures. **

Polyester itself is not inherently stretchy, as it is a synthetic fiber known for its durability and wrinkle resistance. However, when blended with other fibers such as spandex or elastane, polyester can become stretchy. This blend is commonly used in activewear, swimwear, and other clothing items that require stretch and flexibility. So, while pure polyester is not stretchy, it can be made stretchy when combined with other materials. **

Polyester has both advantages and disadvantages. It is durable, wrinkle-resistant, and retains its shape well, making it a popular choice for clothing and home textiles. However, it is not as breathable as natural fibers and can be less comfortable to wear in hot weather. Additionally, polyester is a synthetic material made from petrochemicals, which can have negative environmental impacts. Overall, whether polyester is "good" depends on the specific use and individual preferences. **

Waterproof nylon is a type of fabric that has been treated with a special coating or laminate to make it completely impervious to water, meaning that no water can penetrate the fabric. On the other hand, water-repellent polyester is a fabric that has been treated with a coating to make it resistant to water, causing water to bead up and roll off the fabric rather than being absorbed. While both fabrics offer some level of water resistance, waterproof nylon provides a higher level of protection against water compared to water-repellent polyester. **

Fur is typically made of polyester acrylic, which is a synthetic material designed to mimic the look and feel of real fur. This material is often used in the production of faux fur products as a more ethical and sustainable alternative to real animal fur. Polyester, on the other hand, is a synthetic fabric commonly used in a wide range of clothing and household items, but it is not typically used to create fur-like textures. **

A 100% polyester winter coat will behave well in the rain as polyester is naturally water-resistant. The tightly woven fibers of polyester help to repel water, keeping you dry and warm in light to moderate rain. However, in heavy or prolonged rain, the coat may eventually become saturated and lose its water-resistant properties, allowing water to seep through. It's always a good idea to treat your polyester coat with a water-repellent spray to enhance its ability to repel water. **