They last 3 to 5 years, on average, and some top models like the ones in our reviews above can go for 10 years or more. But remember, the longevity will depend on the maintenance as well.
Proper washing and handling as well as interchanging it with a hard top or another soft top will help you stretch its longevity as much as possible.
Regarding jeep soft top materials, what’s the difference between twill and sailcloth?
Sailcloth is the OE factory top (the one that comes with the jeep). This fabric is lighter and stiffer than twill. Twill is softer and heavier. Generally, twill is considered better.