It really comes down to your preference. Just make sure you know the advantages and disadvantages for both items. For example, many textile gear will melt when it encounters friction in the event you encounter a slide. Plastic or nylon melted directly into your road rash is not very appealing. Just becareful if you go textile, and keep in mind, some will melt quicker than others. One nice thing about mest textiles, you can get liners, which you can use in cold temps, and take them out when the temps get hot.
There is one item that always gets unoticed when it comes to what type of riding apparel should be made of.
Kevlar, offers the best protection, even more then leather. Although very expensive, it something to think about. Here's a link. I just ordered the mesh kevlar pants. Custom made with custom fitted armour.
Cycleport Kevlar Apparel