French terry is a great fabric for athletic wear because it has several properties that make it ideal for activewear clothing:

1. Soft and comfortable: French terry is a soft, cozy fabric that is gentle on the skin, making it comfortable to wear during physical activity.

2. Absorbent: French terry has a looped surface that helps to absorb sweat, keeping you dry and comfortable during intense workouts.

3. Breathable: French terry is a lightweight, breathable fabric that allows air to circulate, helping to regulate body temperature during physical activity.

4. Durable: French terry is a strong and durable fabric that can withstand frequent washing and wear, making it ideal for activewear clothing.

5. Versatile: French terry is a versatile fabric that can be used in a variety of styles and designs, making it a popular choice for athletic wear.

In conclusion, French terry is a great fabric for athletic wear because it is soft, comfortable, absorbent, breathable, durable, and versatile. These properties make it an ideal choice for clothing that will be worn during physical activity.