Ripstop

Woven fabrics, often made out of nylon, that use a special reinforcing technique that make them very resistant against tearing and ripping. During weaving, reinforcement threads are interwoven at regular intervals in a crosshatch pattern in the fabric. The main advantage of ripstop fabrics is that smaller tears and rips can't easily spread further in the fabric.

These Free People Ripstop Shorts ($98) are made using the ripstop technique and thus are highly durable.